GearWhy your bike shifts like garbage admin11 months ago11 months ago01 mins This is the tool: https://www.sethsbikehacks.com/product/derailleur-hanger-alignment-gauge/ Although derailleurs can look intimidating, they’re actually pretty … source Post navigation Previous: How To Corner A Mountain Bike – Better Flat Turns In 1 DayNext: Colorado Trail – The Best Mountain Bike Trail in the World?