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RamSound it was 03 Speedy 790. As too rear sprocket, it's whatever came on the bike. Did Triumph produce some with 42 and 43? I can always check it and let you know but perhaps someone knows the answer.



All the 790 SMs had 16/42T but the new 865 SMs come with 16/43T. So, if you changed to an 18 front you are running 18/42T.

Bob 2005 America, 904cc - sold. 2014 Trophy SE.