LTWOO Ceramic Bearing Carbon Fiber Bike Rear Derailleur Cage Pulley Wheel Kit

Model: LTWOO 105. Model: LTWOO UT. Model: LTWOO -5800. Effectively increase chain power inertia. 1 X Pulley Wheel Rear Derailleur. Strengthen the safety of the rocker support structure. Using all ceramic non-resistance bearing, friction power consumption is reduced.

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