Triumph America/Speedmaster 40T BikeMaster Rear Sprocket (525 chain) PN MBI-S525T40
$32.95
Only 1 left in stock
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Less rear sprocket teeth=higher top speed, more sprocket teeth=more acceleration
40 tooth rear sprocket for Triumph America and Speemaster motorcycles
Works with the transmission sprocket to determine final drive ratio
Follow the instructions in the service manual
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