Products

RK Blue Chain (420-106 Connection for 44T Sprocket)
Translation missing: en.products.product.regular_price £17.09
Translation missing: en.products.product.regular_price £17.09
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.

RK Blue Chain 420 SB 106 For Sur-Ron LB X & L1E (48t Rear Sprocket Standard Gearing)
Translation missing: en.products.product.regular_price £17.09 Sold Out
Translation missing: en.products.product.regular_price £17.09 Sold Out
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.

Check out the sprocket we have available to accompany this chain:

RK Blue Chain 420 SB 106 to fit Honda MSX125 GROM 125 2013-2020
Translation missing: en.products.product.regular_price £17.09
Translation missing: en.products.product.regular_price £17.09
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.

RK Blue Chain 420 SB 110 For Sur-Ron LB X & L1E (54t Rear Sprocket Gearing)
Translation missing: en.products.product.regular_price £17.29 Sold Out
Translation missing: en.products.product.regular_price £17.29 Sold Out
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.


RK Blue Chain 420 SB 112 For Sur-Ron LB X & L1E (58t Rear Sprocket)
Translation missing: en.products.product.regular_price £18.08 Sold Out
Translation missing: en.products.product.regular_price £18.08 Sold Out
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.

Check out the sprocket we have available to accompany this chain:

RK Blue Motorcycle Chain Standard 420 SB 108
Translation missing: en.products.product.regular_price £17.29 Sold Out
Translation missing: en.products.product.regular_price £17.29 Sold Out
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.

RK Blue Motorcycle Chain Standard 420 SB 116
Translation missing: en.products.product.regular_price £18.23 Sold Out
Translation missing: en.products.product.regular_price £18.23 Sold Out
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.

RK Blue Motorcycle Chain Standard 428 SB 132
Translation missing: en.products.product.regular_price £18.84 Sold Out
Translation missing: en.products.product.regular_price £18.84 Sold Out
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.

Compatible Bikes:

Manufacturer Model Year
Derbi 125 Senda DRD SM 2009-2013
HMZ XRX125
Honda XR125 L (JD19) 2003-2008
Hyosung RX125 D 2007-2010
Hyosung RX125 D 2011
Hyosung RX125 SM 2007-2010
Hyosung RX125 SM 2011
Hyosung XRX125 Funduro 2007-2008
Hyosung XRX125 SM 2007-2014
Hyosung XRX125 1999-2006
Kawasaki BN125 A1-A8,A6F,A7F Eliminator 1998-2007
Kawasaki BN125 A9F Eliminator 2009
Kawasaki KDX125 SR 1990-1999
Suzuki GZ125 Marauder (80 Kmh Version) - Germany 1998-2006
Suzuki GZ125 Marauder 1998-2011
Suzuki RG125 FU-P,R,S,T Race Replica 1993-1996
Suzuki RG80 Gamma 1986-1987
Suzuki RM100 A,B 1976-1977
Suzuki RM100 C 1978
Suzuki RM100 N,T,X,Z 1979-1982
Suzuki RM125 A,B 1976-1977
Suzuki RM125 C 1978
Suzuki RM125 N 1979
Suzuki RM80 XD (Small Wheels) 1983
Suzuki RM80 XE,XF (Small Wheels) 1984-1985
Yamaha MT125 (ABS) (BR3) 2015-2017
Yamaha YZFR125 50th Anniversary Edition 2012
Yamaha YZFR125 2008-2015
RK Blue Motorcycle Chain Standard 428 SB 134
Translation missing: en.products.product.regular_price £19.14 Sold Out
Translation missing: en.products.product.regular_price £19.14 Sold Out
Features:
  • Pre-lubricated at factory, ensuring low friction and maximum durability
  • Proven high tensile strength
  • Solid bushes for enhanced distortion resistance from repetitive shock loading
  • Hard Chromium Carbide Layer for increased strength and durability

Manufactured from carbon alloy steel, heat-treated and shot-peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. 

All RK chains are pre-stressed and pre-stretched for superior performance and minimize elongation during the life of the chain. Excellent quality and cost performance for light duty motorcycle application.

Compatible Bikes:

Manufacturer Model Year
Daelim VT125 Evolution (80 Kmh Version) - Germany 1998-2002
Daelim VT125 Evolution 1998-2002
Derbi 125 Baja SM 2006-2008
Derbi 125 Cross City 2007-2014
Suzuki DR125 G,H,J - USA 1986-1988
Suzuki DR125 S Raider (SF44A) 1985-1994
Suzuki DR125 SE R/S/T/V/W/X/Y 1994-2000
Suzuki DRZ125 K3-K9,L0-L6 2003-2018
Suzuki DRZ125 L K3-K9,L0-L6 2003-2018
Suzuki RV125 K3-K6 Van Van 2003-2006
Suzuki RV125 K7-K9,L0-L6 Van Van 2007-2016
Suzuki SP125 G,H,J - USA 1986-1988
Yamaha DT125 R Everts 2005-2006
Yamaha DT125 RE (1D01) 2004-2006
Yamaha DT125 X 2005-2006
Yamaha DTR125 (DT125R) - France 1992-1994
Yamaha DTR125 (DT125R) 1988-1989
Yamaha DTR125 (DT125R) 1990-2003
Yamaha TZR50 >>> 428 Chain Conversion - Spain
Yamaha WR125 R-Y,Z,A,B,D,E,F (22B1/3) 2009-2015
Yamaha WR125 X-Y,Z,A,B,D,E,F (22B2/4) 2009-2015
RK C3031 Front Drive Motorcycle Sprocket 14 Teeth (JTF1550.14)
Translation missing: en.products.product.regular_price £6.45
Translation missing: en.products.product.regular_price £6.45
  • Chromoly steel for durability.
  • Used as original equipment by many motorcycle manufactures.
  • manufactured from 20CrMnTi Carbon Alloy Steel

Compatible Bikes:

Manufacturer Model Year
Betamotor 125 RE AC 2011-2016
Betamotor 125 RR AC Enduro 2013-2015
Betamotor 125 RR AC Motard 2011-2014
Betamotor 125 RR LC 4T Enduro 2011-2017
Betamotor 125 RR LC 4T Motard 2011-2017
Betamotor 125 RR 2006-2012
Betamotor 125 SM M4 2006-2010
Husqvarna 125 TE 2011-2013
Motor Hispania 125 Duna Enduro / Trail / SM 2009-2010
Motor Hispania 125 MH7 AC 2009-2010
Rieju 125 Marathon Pro Supermotard 2009-2015
Rieju 125 Marathon Pro 2009-2015
Yamaha FZ-16 - India 2008-
Yamaha MT125 (ABS) (BR3) 2015-2017
Yamaha WR125 R-Y,Z,A,B,D,E,F (22B1/3) 2009-2015
Yamaha WR125 X-Y,Z,A,B,D,E,F (22B2/4) 2009-2015
Yamaha YZFR125 50th Anniversary Edition 2012
Yamaha YZFR125 2008-2015
RK Chain Link 415 H Steel Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £4.99
Translation missing: en.products.product.regular_price £4.99
RK Chain Link 415 H Steel Clip/Split Connecting Link Pack of 10
Translation missing: en.products.product.regular_price £10.99
Translation missing: en.products.product.regular_price £10.99
RK Chain Link 415 H Steel Clip/Split Connecting Link Pack of 5
Translation missing: en.products.product.regular_price £7.99
Translation missing: en.products.product.regular_price £7.99
RK Chain Link 420 Red Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £5.90
Translation missing: en.products.product.regular_price £5.90

RK CLIPLINK

RK is the leading manufacturer of drive chains for motorcycles in Japan.

For more than 40 years, RK has supplied all well-known Japanese motorcycle manufacturers as original equipment.

Also in racing, RK is the first choice of many teams in MotoGP, motocross or even in the Paris-Dakar Rally.

RK Chain Link 520 EXW Gold Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

 

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

EXW is specifically designed for ATV/Off-Road vehicles and is the best high-speed, extreme heat, off-road performance chain available. EXW chains feature XW-Ring seals to better survive the abrasive conditions that exist in hostile off-road conditions.

RK Chain Link 520 EXW Gold Rivet Connecting Link
Translation missing: en.products.product.regular_price £9.99 Sold Out
Translation missing: en.products.product.regular_price £9.99 Sold Out

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

 

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

EXW is specifically designed for ATV/Off-Road vehicles and is the best high-speed, extreme heat, off-road performance chain available. EXW chains feature XW-Ring seals to better survive the abrasive conditions that exist in hostile off-road conditions.

RK Chain Link 520 Heavy Duty Steel Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99
RK Chain Link 520 KZ Gold Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99 Sold Out
Translation missing: en.products.product.regular_price £9.99 Sold Out
RK Chain Link 520 MXU Gold Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99
RK Chain Link 520 MXU Gold Rivet Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99
RK Chain Link 520 MXZ5 Gold Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK’s NEW MXZ5 Supercross Racing chains are made for the serious supercross and motocross racer. MXZ5 chains feature chromoly steel construction with seamless rollers and bushing.

RK’s reinforced chromized pins drastically improve the wear resistance more than two times compared to normal non-sealed chains while absorbing shock loads from extreme jumps.

All components are heat treated using RK’s exclusive HIT (Heat Induction Transfer) process.

520MXZ5 has a maximum tensile strength rated at 8,600 lbs and is suitable for professional level 125cc to 500cc class racing.

MXZ5 has a higher tensile strength and higher rigidity than its predecessor MXZ4 chain.

520MXZ5 will also come with a new less tacky grease which is less likely to attract dirt and debris.

Please note that MXZ5 and MXZ4 connecting links are NOT interchangeable! You must use MXZ5 connecting links on MXZ5 chains and MXZ4 connecting links on MXZ4 chains.

RK Chain Link 520 Standard Steel Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99
RK Chain Link 520 XRE Steel Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99
  • RK 520XRE is designed with cutting edge technology from international on-road & off-road racing
  • RK 520XRE is used by the KTM satellite team for Dakar Rally
  • RK 520XRE is OEM fit on Honda XL750 TRANSALP
  • RK 520XRE can be used on-road and off-road.
  • RK 520XRE features the unique RK XW-Ring sealing system, which has two lubrication pools and three contact lips: A triple barriered structure to further seal the lubrication and prevent debris entering the chain.
  • The durability of 520XRE has been dramatically improved from 520XSO2.
RK Chain Link 520 XSO Blue Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wear life compared to standard chains.

RK Chain Link 520 XSO Blue Rivet Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wear life compared to standard chains.

RK Chain Link 520 XSO Gold Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wear life compared to standard chains.

RK Chain Link 520 XSO Gold Rivet Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wear life compared to standard chains.

RK Chain Link 520 XSO Orange Clip/Split Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wear life compared to standard chains.

RK Chain Link 520 XSO Orange Rivet Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wearlife compared to standard chains.

RK Chain Link 520 XSO Red Rivet Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wear life compared to standard chains.

RK Chain Link 520 XSO Red Split/Clip Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wear life compared to standard chains.

RK Chain Link 520 XSO Steel Rivet Connecting Link
Translation missing: en.products.product.regular_price £9.99
Translation missing: en.products.product.regular_price £9.99

RK currently has FIVE types of sealed-ring chains. Each has its own features and benefits.

  • O ring and RX Rings came first. Each a great product in their own right and broadly similar to the competition's current offerings.
  • After several years of development, RK added the XW range of sealed chains to radically improve chain life and performance.
  • As racing expanded into several different genres, RK also added the ultra thin U-Ring and UW-Ring sealed chains.
  • Each seal type is specifically designed for a particular use to provide the ultimate in rotating efficiency with minimum friction, while providing a longer chain life.
  • Do not compromise: Maximise the motorcycle's performance by fitting RK chain. Mark Marquez does and he does pretty well...

Affordable, long lasting performance RX sealed chain. The XSO series offers less torsional friction and increased performance.

XSO chains provide up to 7 times longer wear life compared to standard chains.

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