BikeMaster Honda Rear Steel Sprocket 428 50T - Black

Meticulously engineered using the highest quality materials and industry leading technology to provide the best replacement sprockets for your motorcycle. BikeMaster® Rear Sprockets are machined from 1045 steel and coated with a beautiful black Cataphoresis finish. A perfect match for the BikeMaster® line of chains.

• Designed to provide long lasting performance and optimal chain engagement under demanding rear wheel conditions
• Precision engineered for direct fitment and smooth power delivery in motorcycles with corresponding chain sizes

The BikeMaster BKM965073 rear sprocket is a durable replacement component designed for select Honda XR100R motorcycles from 1985 through 1994. Made from high-quality 1045 steel, this 50-tooth sprocket is engineered to provide reliable chain engagement, consistent power transfer, and long-lasting performance in demanding rear-wheel conditions. Its black Cataphoresis coating helps provide a durable finish for powersports use.
The BikeMaster rear sprocket is precision engineered for direct fitment on compatible applications and is designed to work with corresponding 428-size chains. Its accurate tooth profile supports smooth operation and dependable drivetrain performance, making it a practical choice for replacing a worn or damaged original sprocket. Pair it with a compatible BikeMaster chain for a well-matched final-drive setup.
Compatible applications include the 1985-1994 Honda XR100R. Verify the motorcycle year, model, chain size, tooth count, and fitment requirements before installation. Professional installation and inspection of the complete chain-and-sprocket system are recommended to help ensure proper alignment, tension, and safe operation.

Features:

• Material: Precision-machined 1045 steel construction for dependable durability

• Finish: Black Cataphoresis coating for a durable, corrosion-resistant surface

• Tooth Count: 50-tooth rear sprocket designed for compatible applications

• Chain Compatibility: Designed for use with 428-size motorcycle chains

• Fitment: Direct-fit replacement for select 1985-1994 Honda XR100R motorcycles

• Performance: Supports long-lasting service, smooth power delivery, and optimal chain engagement

Fitment:
Honda CRF100F Base 2004
Honda CRF100F Base 2005
Honda CRF100F Base 2006
Honda CRF100F Base 2007
Honda CRF100F Base 2008
Honda CRF100F Base 2009
Honda CRF100F Base 2011
Honda CRF100F Base 2012
Honda CRF100F Base 2013
Honda CRF125F Base 2014
Honda CRF125F Base 2015
Honda CRF125F Base 2016
Honda CRF125F Base 2017
Honda CRF125F Base 2018
Honda CRF125F Base 2019
Honda CRF125F Base 2020
Honda CRF125F Base 2021
Honda CRF125F Base 2022
Honda CRF125F Base 2023
Honda CRF125F Base 2024
Honda CRF125F Base 2025
Honda CRF125FB Big Wheel Base 2015
Honda CRF125FB Big Wheel Base 2016
Honda CRF125FB Big Wheel Base 2017
Honda CRF125FB Big Wheel Base 2018
Honda CRF125FB Big Wheel Base 2019
Honda CRF125FB Big Wheel Base 2020
Honda CRF125FB Big Wheel Base 2021
Honda CRF125FB Big Wheel Base 2022
Honda CRF125FB Big Wheel Base 2023
Honda CRF125FB Big Wheel Base 2024
Honda CRF125FB Big Wheel Base 2025
Honda XR100R Base 1985
Honda XR100R Base 1986
Honda XR100R Base 1987
Honda XR100R Base 1988
Honda XR100R Base 1989
Honda XR100R Base 1990
Honda XR100R Base 1991
Honda XR100R Base 1992
Honda XR100R Base 1993
Honda XR100R Base 1994
Honda XR100R Base 1995
Honda XR100R Base 1996
Honda XR100R Base 1997
Honda XR100R Base 1998
Honda XR100R Base 1999
Honda XR100R Base 2000
Honda XR100R Base 2001
Honda XR100R Base 2002
Honda XR100R Base 2003