When a chain has to do both front and rear shifting, certain compromises have to be made to make it work. With SRAM's XX1 chain, it's 1x11 all the time, so the chain can be narrower, stronger, faster, since it doesn't have to deal with a front derailleur. Since it only has to do rear shifts, gear…
The Problem Solvers Head Tube Reducers resize your head tube to accommodate different size forks. These fine aluminum reducers are designed for traditional, external-cup headsets. Please contact us for any questions about compatibility with your bicycle.