40T range expander and 16t correcting cog


Range expanding 40T big cog with 16t correction cog. All you need to convert an 11-36 10 speed cassette to an 11-40t 10 speed cassette.

Works components range expander - 40T silver shimano


Only 1 left in stock

Shimano XT 16T Expander Correcting Cog

Correct your Shimano XT cassette when using an expander ring with this original part 16T cog. Only available in the UK from Bird (We think).

Shimano P/N: Y1YR16000


In stock