Bonneville/Thruxton (Air-Cooled) 45T Rear Sprocket (525 chain) PN MBI-B525T45


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

This top-condition 45T rear sprocket is heat treated for extended durability 45 tooth rear sprocket for air cooled Triumph Bonneville, Scrambler, and Thruxton models.

Changing the number of teeth on a sprocket changes the final drive ratio of the bike. 

For installation, follow the instructions in your service manual.

Bonneville/Thruxton (Air-Cooled) 45T Rear Sprocket (525 chain) PN MBI-B525T45

Product Highlights

BikeMaster® 45T Rear Sprocket

Meticulously Engineered Using the Highest Quality Materials

Appropriate for 2002-2015 Air-Cooled 800 Bonneville, America, Speedmaster, Thruxton and Scrambler

Heat Treated for Extended Durability

Industry Leading Technology

For Installation Follow the Instructions in Your Service Manual

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