Triumph America Speedmaster 38T Rear Sprocket (525 chain) PN MBI-S525T38
 
 

Less rear sprocket teeth=higher top speed, more sprocket teeth=more acceleration.

38 tooth rear sprocket for Triumph America and Speedmaster motorcycles.

Fitment for:

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

Works with the transmission sprocket to determine final drive ratio.

Follow the instructions in the service manual

 

ALWAYS CHECK YOUR PARTS BOOK TO ASSURE CORRECT FITMENT

 

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