New answers tagged upgrades
It depends on your rear derailleur. For 11-34 you will need a long cage one.
The derailleurs are usually matched to the size of the cassette/chainrings. the cage length of the rear derailleur is matched to the largest cog. that is why you see mountain bikes with a 34 tooth in back with long cage derailleurs and road racing bikes with the little derailleurs matched to the corn cob size cassettes. The curvature of the front ...
Top 50 recent answers are included