Triumph America/Speedmaster (Air-Cooled) BikeMaster® Rear Sprocket (525 chain) PN MBI-Sprocket-03

BikeMaster® Sprockets are meticulously engineered using the highest quality materials and industry leading technology to provide the best replacement sprockets for your motorcycle.

Changing the number of teeth on a sprocket changes the final drive ratio of the bike. Less rear sprocket teeth=higher top speed, more sprocket teeth=more acceleration. Select the number of teeth above.

This top-condition rear sprocket is heat treated for extended durability and fits

• 03-06 America 800
• 07-16 America 865
• 03-05 Speedmaster 800
• 06-15 Speedmaster 865

Works with the transmission sprocket to determine final drive ratio.

For installation, follow the instructions in your service manual.