RK 520 EXW Super Strong X-Ring Motocross / Enduro Racing Drive Chain Gold 520EXWGB 118520EXW is specifically designed for ATV Quads and off road vehicles and is the best high speed, extreme heat, off road performance chain available today. EXW chains were developed to survive the abrasive conditions that exist in hostile off road environments, with special heat treatment for thermal fatigue resistance. EXW Series features XW Ring which extremely improves the chain life and lower friction, providing high performance under extreme

S Warrior 1999-2004 Yamaha YFM350 X- W

L Big (SR43A/B) 1988-1990 Suzuki DR800 S-M

Tough heavy duty steel canister capable of withstanding extreme pressure

Z1B - USA 1973-1975 Kawasaki Z900 Z1

heat-treated and shot-peened for maximum strength and durability

Features:  Fully heat treated for higher wear resistance

Manufacturer Model Year Gilera 600 RC 1989-1992 Honda CBR250 FG

3 1994-2003 Honda CB500 S-W

Manufacturer Model Year Kawasaki KDX200 A2-A3

Manufacturer Model Year Yamaha XT600 D

B7F 2006-2007 Kawasaki KLX250 R D1

Manufacturer Model Year Yamaha FZ6 <<< 520 Chain Conversion 2004-2009 Yamaha FZ6 Fazer <<< 520 Chain Conversion 2004-2008 Yamaha FZ6 Fazer S2 ABS <<< 520 Chain Conversion 2007-2009 Yamaha FZ6 S2 <<< 520 Chain Conversion 2007-2009 Yamaha YZF750 R <<< 520 Chain Conversion 1993-1997 Yamaha YZFR6 50th Anniversary Edition <<< 520 Chain Conversion 2012 Yamaha YZFR6 60th Anniversary Edition <<< 520 Chain Conversion 2016 Yamaha YZFR6 <<< 520 Chain Conversion 1999-2002 Yamaha YZFR6 <<< 520 Chain Conversion 2003-2005 Yamaha YZFR6 <<< 520 Chain Conversion 2006-2020 Yamaha YZFR6 S <<< 520 Chain Conversion 2006-2010