SHIMANO DEORE M5100 vs M6100 Derailleur and Shifter - 11 Speed and 12 Speed 👀⚠️ Get some nice comparison infos about SHIMANOs budget series 🔍🔍 | By RED CHAIN Bike Shop | Facebook
Broke my first derailleur today, Shimano Deore M5100, is it worth upgrading and to what? : r/bikewrench