Colorful 11T Ceramic Rear Derailleur Pulley Bearings for Mountain Bicycle Cycling Transmission Accessory

Colorful 11T Ceramic Rear Derailleur Pulley Bearings for Mountain Bicycle Cycling Transmission Accessory
Condition: 100% brand newItem type: Bike Rear Derailleur PulleyMaterial: aluminium alloyColor: colorfulOptional type: 11T, 13T11T diameter: Approx. 41mm/1.6in13T diameter: Approx. 49mm/1.9inSpecification: applicable to the guide wheel of 4/5/6mm axis.Guide wheel selection rules:Please try to choose the same as the original guide wheel, if there is no same, you can choose smaller than the original guide wheel, can not choose a larger one.Applicable: for SRAM and micro rear derailleur
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