Pulley Derailleur Wheel Alu CC-RD12, Save weight, Get faster

Pulley Derailleur Wheel Alu CC-RD12, Save weight, Get faster

Features:

- 10T or 11T for Shimano

- Material: CNC 7075 T6 Alloy

- Standard Bearing

- Finish: Anodized Color

Pulley Derailleur Wheel Alu CC-RD12, Save weight, Get faster, save weight, reduce friction on the rear derailleur, get faster on the bicycle, best upgrade