Features:

11 teeth bicycle rear derailleur accessary.

Made of CNC aluminum alloy， lightweight and durable.

A necessary accessary for your bicycle.



Specifications:

Color: Blackr， White， Blue， Red and yellow (optional)

Material: Aluminum alloy

Inner diameter: approx 1cm

Outer diameter: approx 4cm

Weight: 10g



Package includes:

1 X Jockey Wheel

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