Make a huge Difference to the top end by changing the front sprocket to a 19Tooth
Fits all Triumph Bonneville Engines 865 and 790cc, Carbed or EFI. with 525 Chain
Decreases Cruise RPM around 1000rpm, Saves looking for that other gear.
Better fuel economy and a more comfortable ride.
You may also consider Penrite chain lube choose from our option list if you require.
Note some 2015 models where released with ar 520 Chain please confirm Chain size on these models
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