18/ Rear Derailleur Mountain Road Bike Derailleur Gear Black
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Great transmission function. Alloy construction leads to lower weight without compromising strength and durability. It will be replacement part for the broken of your . 18-speed and 21-.
Great transmission function. Alloy construction leads to lower weight without compromising strength and durability. It will be replacement part for the broken of your . 18-speed and 21-.
