JT Rear Sprocket – Aluminum or Steel


Precision CNC machined rear sprockets in hardened 7075T6 aluminum alloy or C49 High Carbon steel. Offered in stock 43 tooth count (and other sizes under special order*).

The aluminum sprocket has less unsprung weight without sacrificing durability. The steel sprocket exceeds the OEM sprocket life at a fraction of the OEM replacement cost.


Fits: All years of Standard Bonneville, T100, Thruxton and Scrambler. Does not fit Bonneville America or Speedmaster.

Natural steel or aluminum silver finish.

(*) NOTE: Non-stock sprocket sizes may require adjustment in chain length and/or other modifications.  Special order only – call or email for availability.

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