REAR SPROCKET ALLOY BLACK 798, JTA798.51BLK 7075-T6 Aluminium

CNC-machined from certified 7075-T6 Ergal, RaceLite rear sprockets pair ultra-low weight with race-ready strength. Engineered for extreme conditions, they cut rotating mass for quicker acceleration while maintaining exceptional wear resistance.

Features

• 7075-T6 Ergal aviation-grade aluminium construction


• Precision CNC machining to tight JT tolerances


• Ultra-low rotating mass for quicker acceleration


• Designed for extreme pro-race conditions


• High strength-to-weight ratio with excellent durability


• Clean, consistent tooth profile for smooth chain engagement

Specifications

• Material: 7075-T6 Ergal Aluminium


• Tooth count: 51


• Drive chain pitch: 428


• Colour: Black

Vehicle Fitment

Suzuki (Off Road) 

• RM80 D (1983)


• RM80 E/F (1984-1985)


• RM80 HD,HE,HF (1983-1985)


• RM80 K,L,M,N,P,R,S,T,V,W,X,Y,K1 (1986-2001)


• RM80 V,W,X,Y,K1 (Big Wheels) (1997-2001)


• RM80 XD (Small Wheels) (1983)


• RM80 XE,XF (Small Wheels) (1984-1985)


• RM80 XG,XH,XJ >>> 428 Chain Conversion (1986-1988)


• RM80 XK,XL,XM,XN,XP,XR,XS,XT,XV,XW,XX,XY,K1 (1989-2001)


• RM80 Z (1982)


• RM85 K2-K9,L0-L9,M0 (2002-2020)


• RM85 L K2-K9,L0-L6 (Big Wheel) (2002-2018)


• RM85 L L9,M0,M1,M2,M3 (Big Wheel) (2019-2023)


• RM85 M1,M2,M3 (2021-2023)

Yamaha (Off Road)

• YZ80 E,F,G,H,J,K,L,M,N (1993-2001)


• YZ80 F,G,H,J,K,L,M,N Large Wheel (1994-2001)


• YZ85 K,L,M,N LW (2019-2022)


• YZ85 K,L,M,N,P (2019-2023)


• YZ85 P LW (2023)


• YZ85 P,R,S,T,V,W,X,Y,Z,A,B,D,E,F,G,H,J Large Wheel (2002-2018)


• YZ85 P,R,S,T,V,W,X,Y,Z,A,B,D,E,F,G,H,J5PA (2002-2018)


• YZ85 R LW (2024)


• YZ85 R2 (2024)


• YZ85 S LW (2025)


• YZ85 S2 (2025)


• YZ85 T LW (2026)


• YZ85 T2 (2026)