RK 520 MXU Narrow X-Ring Motocross / Enduro Racing Drive Chain Gold 52

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Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","published_at":"2019-05-05T18:48:14+01:00","created_at":"2019-05-05T18:48:14+01:00","vendor":"RK","type":"Chain","tags":["Honda_CRF250 F-N (22)_2022","Honda_CRF250 R (21)_2021","Honda_CRF250 R (26)_2026","Honda_CRF250 R-N (22)_2022","Honda_CRF250 R-P (23)_2023","Honda_CRF250 RWE (26)_2026","Honda_CRF250 RX (25)_2025","Honda_CRF250 RX (26)_2026","Honda_CRF250 RX-N (22)_2022","Honda_CRF250 RX-P (23)_2023","Honda_CRF250-R-K-(19)_2019","Honda_CRF300 F (26)_2026","KTM_150 SX Motocross (18-20)_2018","KTM_150 SX Motocross (18-20)_2019","KTM_150 SX Motocross (18-20)_2020","KTM_150 SX Motocross (25)_2025","KTM_150-SX-Motocross-(08-14)_2008","KTM_150-SX-Motocross-(08-14)_2009","KTM_150-SX-Motocross-(08-14)_2010","KTM_150-SX-Motocross-(08-14)_2011","KTM_150-SX-Motocross-(08-14)_2012","KTM_150-SX-Motocross-(08-14)_2013","KTM_150-SX-Motocross-(08-14)_2014","KTM_150-SX-Motocross-(13-17)_2013","KTM_150-SX-Motocross-(13-17)_2014","KTM_150-SX-Motocross-(13-17)_2015","KTM_150-SX-Motocross-(13-17)_2016","KTM_150-SX-Motocross-(13-17)_2017","KTM_150-SX-Motocross-(18)_2018","Yamaha_YZ450-F-K---USA-(19)_2019"],"price":10360,"price_min":10360,"price_max":10360,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":27992213028929,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CHAIN-RK-520MXUGB(ZJ)-120-1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RK 520 MXU Narrow X-Ring Motocross \/ Enduro Racing Drive Chain Gold 520MXUGB 120 w\/ Rivet Link (ZJ)","public_title":null,"options":["Default Title"],"price":10360,"weight":1750,"compare_at_price":null,"inventory_management":"shopify","barcode":"5.06E+12","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"],"featured_image":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","options":["Title"],"media":[{"alt":null,"id":69876283703677,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","width":1000},{"alt":null,"id":69876284326269,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe RK 520MXU is the lightest sealed-ring enduro\/motocross chain available in market today, 13.8g\/link, only 0.1g\/link heavier than RK 520MXZ4 non sealed chain\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MXU chain series is the next generation of enduro\/motocross racing chains featuring the RK patented technology of Ultra Thin UW-Rings, which make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUW Seal Rings stop debris and dirt entering the chain rollers which ensures efficient horsepower transmission from the engine to the rear wheel throughout the chain life\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Enduro \u0026amp; Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e"}

DID Style Chain Breaker Tool

£43.22

Professional Motorcycle Chain Breaker Press & Riveting Kit

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Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","published_at":"2019-05-05T18:48:14+01:00","created_at":"2019-05-05T18:48:14+01:00","vendor":"RK","type":"Chain","tags":["Honda_CRF250 F-N (22)_2022","Honda_CRF250 R (21)_2021","Honda_CRF250 R (26)_2026","Honda_CRF250 R-N (22)_2022","Honda_CRF250 R-P (23)_2023","Honda_CRF250 RWE (26)_2026","Honda_CRF250 RX (25)_2025","Honda_CRF250 RX (26)_2026","Honda_CRF250 RX-N (22)_2022","Honda_CRF250 RX-P (23)_2023","Honda_CRF250-R-K-(19)_2019","Honda_CRF300 F (26)_2026","KTM_150 SX Motocross (18-20)_2018","KTM_150 SX Motocross (18-20)_2019","KTM_150 SX Motocross (18-20)_2020","KTM_150 SX Motocross (25)_2025","KTM_150-SX-Motocross-(08-14)_2008","KTM_150-SX-Motocross-(08-14)_2009","KTM_150-SX-Motocross-(08-14)_2010","KTM_150-SX-Motocross-(08-14)_2011","KTM_150-SX-Motocross-(08-14)_2012","KTM_150-SX-Motocross-(08-14)_2013","KTM_150-SX-Motocross-(08-14)_2014","KTM_150-SX-Motocross-(13-17)_2013","KTM_150-SX-Motocross-(13-17)_2014","KTM_150-SX-Motocross-(13-17)_2015","KTM_150-SX-Motocross-(13-17)_2016","KTM_150-SX-Motocross-(13-17)_2017","KTM_150-SX-Motocross-(18)_2018","Yamaha_YZ450-F-K---USA-(19)_2019"],"price":10360,"price_min":10360,"price_max":10360,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":27992213028929,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CHAIN-RK-520MXUGB(ZJ)-120-1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RK 520 MXU Narrow X-Ring Motocross \/ Enduro Racing Drive Chain Gold 520MXUGB 120 w\/ Rivet Link (ZJ)","public_title":null,"options":["Default Title"],"price":10360,"weight":1750,"compare_at_price":null,"inventory_management":"shopify","barcode":"5.06E+12","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"],"featured_image":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","options":["Title"],"media":[{"alt":null,"id":69876283703677,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","width":1000},{"alt":null,"id":69876284326269,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe RK 520MXU is the lightest sealed-ring enduro\/motocross chain available in market today, 13.8g\/link, only 0.1g\/link heavier than RK 520MXZ4 non sealed chain\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MXU chain series is the next generation of enduro\/motocross racing chains featuring the RK patented technology of Ultra Thin UW-Rings, which make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUW Seal Rings stop debris and dirt entering the chain rollers which ensures efficient horsepower transmission from the engine to the rear wheel throughout the chain life\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Enduro \u0026amp; Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e"}

Professional Motorcycle Chain Breaker Press & Riveting Tool Kit

£31.45

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Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","published_at":"2019-05-05T18:48:14+01:00","created_at":"2019-05-05T18:48:14+01:00","vendor":"RK","type":"Chain","tags":["Honda_CRF250 F-N (22)_2022","Honda_CRF250 R (21)_2021","Honda_CRF250 R (26)_2026","Honda_CRF250 R-N (22)_2022","Honda_CRF250 R-P (23)_2023","Honda_CRF250 RWE (26)_2026","Honda_CRF250 RX (25)_2025","Honda_CRF250 RX (26)_2026","Honda_CRF250 RX-N (22)_2022","Honda_CRF250 RX-P (23)_2023","Honda_CRF250-R-K-(19)_2019","Honda_CRF300 F (26)_2026","KTM_150 SX Motocross (18-20)_2018","KTM_150 SX Motocross (18-20)_2019","KTM_150 SX Motocross (18-20)_2020","KTM_150 SX Motocross (25)_2025","KTM_150-SX-Motocross-(08-14)_2008","KTM_150-SX-Motocross-(08-14)_2009","KTM_150-SX-Motocross-(08-14)_2010","KTM_150-SX-Motocross-(08-14)_2011","KTM_150-SX-Motocross-(08-14)_2012","KTM_150-SX-Motocross-(08-14)_2013","KTM_150-SX-Motocross-(08-14)_2014","KTM_150-SX-Motocross-(13-17)_2013","KTM_150-SX-Motocross-(13-17)_2014","KTM_150-SX-Motocross-(13-17)_2015","KTM_150-SX-Motocross-(13-17)_2016","KTM_150-SX-Motocross-(13-17)_2017","KTM_150-SX-Motocross-(18)_2018","Yamaha_YZ450-F-K---USA-(19)_2019"],"price":10360,"price_min":10360,"price_max":10360,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":27992213028929,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CHAIN-RK-520MXUGB(ZJ)-120-1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RK 520 MXU Narrow X-Ring Motocross \/ Enduro Racing Drive Chain Gold 520MXUGB 120 w\/ Rivet Link (ZJ)","public_title":null,"options":["Default Title"],"price":10360,"weight":1750,"compare_at_price":null,"inventory_management":"shopify","barcode":"5.06E+12","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"],"featured_image":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","options":["Title"],"media":[{"alt":null,"id":69876283703677,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","width":1000},{"alt":null,"id":69876284326269,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe RK 520MXU is the lightest sealed-ring enduro\/motocross chain available in market today, 13.8g\/link, only 0.1g\/link heavier than RK 520MXZ4 non sealed chain\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MXU chain series is the next generation of enduro\/motocross racing chains featuring the RK patented technology of Ultra Thin UW-Rings, which make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUW Seal Rings stop debris and dirt entering the chain rollers which ensures efficient horsepower transmission from the engine to the rear wheel throughout the chain life\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Enduro \u0026amp; Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e"}

JTF1550 Front Drive Motorcycle Sprocket 14 Teeth (JTF 1550.14)

£6.45

{"id":3498228219969,"title":"RK 520 MXU Narrow X-Ring Motocross \/ Enduro Racing Drive Chain Gold 520MXUGB 120 w\/ Rivet Link (ZJ)","handle":"rk-520-mxu-narrow-x-ring-motocross-enduro-racing-drive-chain-gold-520mxugb-120-zj-1","description":"\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe RK 520MXU is the lightest sealed-ring enduro\/motocross chain available in market today, 13.8g\/link, only 0.1g\/link heavier than RK 520MXZ4 non sealed chain\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MXU chain series is the next generation of enduro\/motocross racing chains featuring the RK patented technology of Ultra Thin UW-Rings, which make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUW Seal Rings stop debris and dirt entering the chain rollers which ensures efficient horsepower transmission from the engine to the rear wheel throughout the chain life\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Enduro \u0026amp; Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","published_at":"2019-05-05T18:48:14+01:00","created_at":"2019-05-05T18:48:14+01:00","vendor":"RK","type":"Chain","tags":["Honda_CRF250 F-N (22)_2022","Honda_CRF250 R (21)_2021","Honda_CRF250 R (26)_2026","Honda_CRF250 R-N (22)_2022","Honda_CRF250 R-P (23)_2023","Honda_CRF250 RWE (26)_2026","Honda_CRF250 RX (25)_2025","Honda_CRF250 RX (26)_2026","Honda_CRF250 RX-N (22)_2022","Honda_CRF250 RX-P (23)_2023","Honda_CRF250-R-K-(19)_2019","Honda_CRF300 F (26)_2026","KTM_150 SX Motocross (18-20)_2018","KTM_150 SX Motocross (18-20)_2019","KTM_150 SX Motocross (18-20)_2020","KTM_150 SX Motocross (25)_2025","KTM_150-SX-Motocross-(08-14)_2008","KTM_150-SX-Motocross-(08-14)_2009","KTM_150-SX-Motocross-(08-14)_2010","KTM_150-SX-Motocross-(08-14)_2011","KTM_150-SX-Motocross-(08-14)_2012","KTM_150-SX-Motocross-(08-14)_2013","KTM_150-SX-Motocross-(08-14)_2014","KTM_150-SX-Motocross-(13-17)_2013","KTM_150-SX-Motocross-(13-17)_2014","KTM_150-SX-Motocross-(13-17)_2015","KTM_150-SX-Motocross-(13-17)_2016","KTM_150-SX-Motocross-(13-17)_2017","KTM_150-SX-Motocross-(18)_2018","Yamaha_YZ450-F-K---USA-(19)_2019"],"price":10360,"price_min":10360,"price_max":10360,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":27992213028929,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CHAIN-RK-520MXUGB(ZJ)-120-1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RK 520 MXU Narrow X-Ring Motocross \/ Enduro Racing Drive Chain Gold 520MXUGB 120 w\/ Rivet Link (ZJ)","public_title":null,"options":["Default Title"],"price":10360,"weight":1750,"compare_at_price":null,"inventory_management":"shopify","barcode":"5.06E+12","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"],"featured_image":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","options":["Title"],"media":[{"alt":null,"id":69876283703677,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","width":1000},{"alt":null,"id":69876284326269,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe RK 520MXU is the lightest sealed-ring enduro\/motocross chain available in market today, 13.8g\/link, only 0.1g\/link heavier than RK 520MXZ4 non sealed chain\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MXU chain series is the next generation of enduro\/motocross racing chains featuring the RK patented technology of Ultra Thin UW-Rings, which make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUW Seal Rings stop debris and dirt entering the chain rollers which ensures efficient horsepower transmission from the engine to the rear wheel throughout the chain life\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Enduro \u0026amp; Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e"}

JTF520 Rubber Cushioned Front Drive Motorcycle Sprocket 16 Teeth (JTF 520.16)

£8.56

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Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","published_at":"2019-05-05T18:48:14+01:00","created_at":"2019-05-05T18:48:14+01:00","vendor":"RK","type":"Chain","tags":["Honda_CRF250 F-N (22)_2022","Honda_CRF250 R (21)_2021","Honda_CRF250 R (26)_2026","Honda_CRF250 R-N (22)_2022","Honda_CRF250 R-P (23)_2023","Honda_CRF250 RWE (26)_2026","Honda_CRF250 RX (25)_2025","Honda_CRF250 RX (26)_2026","Honda_CRF250 RX-N (22)_2022","Honda_CRF250 RX-P (23)_2023","Honda_CRF250-R-K-(19)_2019","Honda_CRF300 F (26)_2026","KTM_150 SX Motocross (18-20)_2018","KTM_150 SX Motocross (18-20)_2019","KTM_150 SX Motocross (18-20)_2020","KTM_150 SX Motocross (25)_2025","KTM_150-SX-Motocross-(08-14)_2008","KTM_150-SX-Motocross-(08-14)_2009","KTM_150-SX-Motocross-(08-14)_2010","KTM_150-SX-Motocross-(08-14)_2011","KTM_150-SX-Motocross-(08-14)_2012","KTM_150-SX-Motocross-(08-14)_2013","KTM_150-SX-Motocross-(08-14)_2014","KTM_150-SX-Motocross-(13-17)_2013","KTM_150-SX-Motocross-(13-17)_2014","KTM_150-SX-Motocross-(13-17)_2015","KTM_150-SX-Motocross-(13-17)_2016","KTM_150-SX-Motocross-(13-17)_2017","KTM_150-SX-Motocross-(18)_2018","Yamaha_YZ450-F-K---USA-(19)_2019"],"price":10360,"price_min":10360,"price_max":10360,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":27992213028929,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CHAIN-RK-520MXUGB(ZJ)-120-1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RK 520 MXU Narrow X-Ring Motocross \/ Enduro Racing Drive Chain Gold 520MXUGB 120 w\/ Rivet Link (ZJ)","public_title":null,"options":["Default Title"],"price":10360,"weight":1750,"compare_at_price":null,"inventory_management":"shopify","barcode":"5.06E+12","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"],"featured_image":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","options":["Title"],"media":[{"alt":null,"id":69876283703677,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","width":1000},{"alt":null,"id":69876284326269,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe RK 520MXU is the lightest sealed-ring enduro\/motocross chain available in market today, 13.8g\/link, only 0.1g\/link heavier than RK 520MXZ4 non sealed chain\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MXU chain series is the next generation of enduro\/motocross racing chains featuring the RK patented technology of Ultra Thin UW-Rings, which make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUW Seal Rings stop debris and dirt entering the chain rollers which ensures efficient horsepower transmission from the engine to the rear wheel throughout the chain life\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Enduro \u0026amp; Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e"}

JTF1591 Rubber Cushioned Front Drive Motorcycle Sprocket 16 Teeth (JTF 1591.16)

£12.29

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Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","published_at":"2019-05-05T18:48:14+01:00","created_at":"2019-05-05T18:48:14+01:00","vendor":"RK","type":"Chain","tags":["Honda_CRF250 F-N (22)_2022","Honda_CRF250 R (21)_2021","Honda_CRF250 R (26)_2026","Honda_CRF250 R-N (22)_2022","Honda_CRF250 R-P (23)_2023","Honda_CRF250 RWE (26)_2026","Honda_CRF250 RX (25)_2025","Honda_CRF250 RX (26)_2026","Honda_CRF250 RX-N (22)_2022","Honda_CRF250 RX-P (23)_2023","Honda_CRF250-R-K-(19)_2019","Honda_CRF300 F (26)_2026","KTM_150 SX Motocross (18-20)_2018","KTM_150 SX Motocross (18-20)_2019","KTM_150 SX Motocross (18-20)_2020","KTM_150 SX Motocross (25)_2025","KTM_150-SX-Motocross-(08-14)_2008","KTM_150-SX-Motocross-(08-14)_2009","KTM_150-SX-Motocross-(08-14)_2010","KTM_150-SX-Motocross-(08-14)_2011","KTM_150-SX-Motocross-(08-14)_2012","KTM_150-SX-Motocross-(08-14)_2013","KTM_150-SX-Motocross-(08-14)_2014","KTM_150-SX-Motocross-(13-17)_2013","KTM_150-SX-Motocross-(13-17)_2014","KTM_150-SX-Motocross-(13-17)_2015","KTM_150-SX-Motocross-(13-17)_2016","KTM_150-SX-Motocross-(13-17)_2017","KTM_150-SX-Motocross-(18)_2018","Yamaha_YZ450-F-K---USA-(19)_2019"],"price":10360,"price_min":10360,"price_max":10360,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":27992213028929,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CHAIN-RK-520MXUGB(ZJ)-120-1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RK 520 MXU Narrow X-Ring Motocross \/ Enduro Racing Drive Chain Gold 520MXUGB 120 w\/ Rivet Link (ZJ)","public_title":null,"options":["Default Title"],"price":10360,"weight":1750,"compare_at_price":null,"inventory_management":"shopify","barcode":"5.06E+12","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"],"featured_image":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","options":["Title"],"media":[{"alt":null,"id":69876283703677,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/16-2026-10-07T134315.519.png?v=1791377006","width":1000},{"alt":null,"id":69876284326269,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028"},"aspect_ratio":1.0,"height":1000,"media_type":"image","src":"\/\/chainsandsprockets.co.uk\/cdn\/shop\/files\/937c7c1b-e0dc-446b-8051-75bbbb282d76.jpg?v=1791377028","width":1000}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cdiv\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe RK 520MXU is the lightest sealed-ring enduro\/motocross chain available in market today, 13.8g\/link, only 0.1g\/link heavier than RK 520MXZ4 non sealed chain\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe MXU chain series is the next generation of enduro\/motocross racing chains featuring the RK patented technology of Ultra Thin UW-Rings, which make it possible to design a Sealed Chain with the weight of a Non-Sealed Chain.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eUW Seal Rings stop debris and dirt entering the chain rollers which ensures efficient horsepower transmission from the engine to the rear wheel throughout the chain life\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFor Enduro \u0026amp; Motocross\u003c\/li\u003e\n\u003cli\u003eRK UW Seal Ring\u003c\/li\u003e\n\u003cli\u003eLightest off-road seal chain \u003c\/li\u003e\n\u003cli\u003eUse by Graham Jarvis\u003c\/li\u003e\n\u003cli\u003eUse by Top MXGP teams\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e"}

JTF520 Rubber Cushioned Front Drive Motorcycle Sprocket 15 Teeth (JTF 520.15)

£8.24

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