Chain length 25t vs 27t

beancounter

If changing a 12-25 cassette to a 12-27 cassette, would an extra link in the chain be required?

Thanks

arlowood

No -it should be fine assuming it has been set up correctly fot the 25 cassette ring

Useful calculator to stick in your favourites list :-

http://www.epicidiot.com/sports/chain_l ... tm#results

beancounter

Yes that's very useful, thank you very much!