The RK 1065-140EX Chain and Sprocket Kit is an OEM replacement drivetrain solution designed for the Honda CBR650R model years 2019 through 2021. This kit includes a premium Driven® C45 steel alloy rear sprocket with a black case-hardened finish, paired with a Driven® C45 steel front sprocket that is case hardened and quenched for dependable wear resistance.
Designed with OE gearing, the RK OEM Replacement kit supports proper drivetrain fitment and maintains the factory-style gearing configuration of the Honda CBR650R. Its high-mileage performance design makes it suitable for riders seeking reliable power transfer, consistent chain engagement, and durable service for street and everyday riding applications.
Fitment: Honda CBR650R, 2019-2021
Brand: RK
Manufacturer Part Number: 1065-140EX
Vendor Part Number: 1065-140EX
Features:
- Fitment: Designed for Honda CBR650R motorcycles from 2019 through 2021
- Kit Contents: Includes a Driven® C45 steel alloy rear sprocket and Driven® C45 steel front sprocket
- Material: C45 steel construction supports durable drivetrain performance
- Finish: Rear sprocket features a black case-hardened finish
- Front Sprocket Treatment: Case hardened and quenched for enhanced wear resistance
- Gearing: Includes OE gearing for factory-style fitment and performance
- Application: High-mileage OEM replacement kit for street and everyday riding
- Brand: RK
- Manufacturer Part Number: 1065-140EX
- Vendor Part Number: 1065-140EX