BikeMaster Honda Front Sprocket 420 15T

Meticulously engineered using the highest quality materials and industry leading technology to provide the best replacement sprockets for your motorcycle. BikeMaster® Front Sprockets are machined from 20CrMnTi, shot peened for longer wear and heat treated for extended durability. A perfect match for the BikeMaster® line of chains.

• Reliable construction ensures consistent wear resistance across all available tooth counts and models in the series
• Precision engineered for direct fitment and smooth power delivery in motorcycles with corresponding chain sizes

Upgrade motorcycle drivetrain performance with the BikeMaster Honda Front Sprocket 420 15T, part number BKM965433. This replacement sprocket is engineered for dependable fitment and smooth power transfer on compatible Honda motorcycles and powersports applications. Its 15-tooth configuration is designed for use with 420-size chains, making it a practical choice for replacing a worn or damaged front sprocket.
BikeMaster manufactures this front sprocket from high-quality 20CrMnTi steel for strength and consistent wear resistance. The sprocket is shot peened to help improve fatigue resistance and heat treated for extended durability under demanding riding conditions. Precision machining supports accurate chain engagement, smooth operation, and reliable drivetrain performance across the sprocket’s service life.
The BikeMaster BKM965433 front sprocket is a direct-fit replacement for select Honda models, including the 1983–1985 Honda CR80R, 1997–1999 Honda XR70R, and 1978–1981 Honda ATC70. Confirm your motorcycle’s year, make, model, chain size, and original sprocket specifications before ordering. Designed to pair with the BikeMaster line of chains, this sprocket provides a dependable solution for maintenance, repair, or drivetrain replacement needs.

Features:

• Brand: BikeMaster

• Part Number: BKM965433

• Application: Honda front sprocket replacement

• Tooth Count: 15T

• Chain Size: 420

• Material: 20CrMnTi steel

• Construction: Shot peened and heat treated for enhanced durability

• Fitment: Select Honda CR80R, XR70R, and ATC70 models

• Compatibility: Designed to match BikeMaster 420-size chains

Fitment:
Honda ATC70 Base 1973
Honda ATC70 Base 1974
Honda ATC70 Base 1978
Honda ATC70 Base 1979
Honda ATC70 Base 1980
Honda ATC70 Base 1981
Honda CR60R Base 1983
Honda CR60R Base 1984
Honda CR80R Base 1980
Honda CR80R Base 1981
Honda CR80R Base 1982
Honda CR80R Base 1983
Honda CR80R Base 1984
Honda CR80R Base 1985
Honda CT70 Base 1971
Honda CT70 Base 1972
Honda CT70 Base 1973
Honda CT70 Base 1974
Honda CT70 Base 1975
Honda CT70 Base 1976
Honda CT70 Base 1977
Honda CT70 Base 1978
Honda CT70 Base 1979
Honda CT70 Base 1980
Honda CT70 Base 1982
Honda CT70 Base 1991
Honda CT70 Base 1992
Honda CT70 Base 1993
Honda CT70 Base 1994
Honda MB5 Base 1982
Honda NS50F Base 1990
Honda XL70 Base 1974
Honda XL70 Base 1975
Honda XL70 Base 1976
Honda XL80S Base 1980
Honda XL80S Base 1981
Honda XL80S Base 1982
Honda XL80S Base 1983
Honda XL80S Base 1984
Honda XL80S Base 1985
Honda XR70R Base 1997
Honda XR70R Base 1998
Honda XR70R Base 1999
Honda XR75 Base 1973