The tool threads directly into the derailleur hanger. The gauge bar holds a gauge which marks the distance to the wheel. The results can be checked instantly.
Bike Shifter Brake Lever Set Aluminum Alloy 3x7 Speed Road Bike Shifter Brake Levers Combo for Front Rear Derailleurs Durable Non Slip PVC Grip 22.2 23.8mm Installation Diameter
KANASI Bicycle Headset Spacers, 4 sizes alloy set for road bike fork height adjustment and DIY installation (Black)
2 Set Carbon Fiber Bicycle Headset Spacers, 5/10/15/20mm Stem Washers for Road Bike Handlebar Height Adjustment, Lightweight High - Strength Fork Spacers with 28.6mm (Red)
2 Set Carbon Fiber Bicycle Headset Spacers, 5/10/15/20mm Stem Washers for Road Bike Handlebar Height Adjustment, Lightweight High - Strength Fork Spacers with 28.6mm (Gold)
2 Set Carbon Fiber Bicycle Headset Spacers, Lightweight High - Strength Stem Washers for Road Bike Handlebar Height Adjustment, 5/10/15/20mm Fork Spacers for 28.6mm (Silver)
2 Set Carbon Fiber Bicycle Headset Spacers, 5/10/15/20mm Stem Washers for Road Bike Handlebar Height Adjustment, Lightweight Durable Fork Spacers with 28.6mm Inner (Gold)
