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  1. Drivetrain
    I have a new 2021 Trek Marlin 7 with the following drive train spec: Shifter Shimano Deore M4100, 10 speed Rear derailleur Shimano Deore M5120, long cage *Crank FSA Alpha Drive, 28T steel ring, Boost, 175mm length Bottom bracket FSA, 73mm, threaded cartridge, 122.5mm spindle...
  2. Drivetrain
    hey all, i just got an old trek 3700 frame (probably 7 spd originally) and I want to upgrade the gearing without adding one of those stupid megarange shimano cogs. Can you put 8, 9, or 10 speed cassetes on a frame intended for 7 speed use? OR... have i just revealed that i know close to zip...
  3. Beginner's Corner
    Im in the process of rebuilding my rockhopper pro. Originally it was all set up on 9 speed sram x9 (front rear and shifters), and a shimano slx crank set 3 rings 9 speed. However, I managed to mess up the rear and now im looking at 10 speed components without knowing firstly what the...
1-3 of 3 Results