Triumph Rear Sprocket for 525 Chain for Air Cooled Bonneville, Thruxton and Scrambler from BikeMaster
Triumph BikeMaster® Sprockets are 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 Bonneville, Thruxton, Scrambler Triumph rear sprocket for 525 Chain is heat treated for extended durability and fits:
- 06-15 Bonneville 865
- 06-15 Scrambler 865
- 07-15 Thruxton
Works with the transmission sprocket to determine final drive ratio.
For installation, follow the instructions in your service manual.
We also have a chain & sprocket kit for air cooled Bonneville, Thruxton and Scrambler models.
Need a chain? We’ve got them here!
Front Sprockets available here.
BikeMaster® Chain and Sprocket Kit
Triumph America/Speedmaster Chain and Sprocket Kit 18/42/112
Tiger 1050/1050 ABS Chain and Sprocket Kit 18/44/114
Triumph Dayton 955i/Speed Triple Chain and Sprocket Kit 18/42/108
Triumph Daytona/Tiger BikeMaster® Rear Sprocket (530 Chain)
The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.









