Bicycle Chain Gaps Adjustment Gauge Tool For SRAM Eagle GX NX 12 Speed Cycling MTB Bike Rear Derailleur Adjustment Repair Tool

Gears : 12 Speed Components : Derailleurs Material : PLATIC Type : Rear Derailleur Type 1 : Bicycle Chain Gaps Adjustment Gauge Tool Type 2 : For SRAM Eagle GX NX 12 Speed Cycling Type 3 : MTB Bike Rear Derailleur Adjustment Repair Tool The gear line adjustment tool is used to adjust the tension of the gear line and solve the problem of the transmission not working properly. Butter is used to apply to the steel wires of the transmission to help reduce friction and ensure smooth operation of the transmission system