JTR1307 Black Edition Induction Hardened ZBK Motorcycle Sprocket 42 Teeth (JTR 1307.42)Features: Induction Hardened ZBK Sprocket Meet or exceed Japanese OEM standards Optimum design for light weight and strength Finished In Black Matte Teeth Heat Induction Hardened To 38 50 HRC Made by JT Sprockets, world leading aftermarket sprocket manufacturer for over 30 years. JT Sprockets offer an unbeatable combination of quality, durability, and price. Compatible Bikes: Manufacturer Model Year Honda CBR600 RA A,B,C,D,E,F,G,H,J (C ABS) USA 2009

Manufacturer Model Year Suzuki DR500 Z

B - USA 1976-1977 Suzuki GT250 A

M2 2020-2021

G 1977-1980 Yamaha XT250 J 1980 Yamaha XT500 - Germany 1986- Yamaha XT500 D

WR (3XP) - Japan 1990 Yamaha RZ250 R (1XG) - Japan Yamaha TTR250 - USA 1999-2006 Yamaha TZR250 (1KT) - Japan 1987-1988 Yamaha TZR250 (2MA

XF (Small Wheels) 1984-1985 Yamaha MT125 (ABS) (BR3) 2015-2017 Yamaha YZFR125 50th Anniversary Edition 2012 Yamaha YZFR125 2008-2015

Manufacturer Model Year Betamotor 350 Jonathan 2001-2002 Betamotor 400 Alp 4

L 1983-1984 Yamaha IT465 H

X Ring chain above Japanese OEM standards

L Midnight Special - USA 1983-1984

RJ clip/split type connecting link

Used by leading race teams both on and off-road