Jockey Wheel BASIC 15T Rear Derailleur Pulley

Product: Bicycle rear derailleur pulley jockey wheel

Brand: LEBYCLE

Size: 15T

Structure: Bearings

Material: 7075 aluminum alloy

Color: Blue, Gold, Purple, Red, Silver

Fit for 4/5/6 mm roller screw axis

Suitable for 7/8/9/10/11/12 speed