Rear Derailleur Pulley Ceramic Bearing Black

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Description:

18T Aluminum alloy jockey wheel with fully sealed bearing.
Ceramics bearing, super lubricating, noiseless.
Positive and negative wheel inhibit the horizontal chian swing effectively for accurate speed.
Apply for most mountain road bike folding rear derailleur of 18 in the market.
-12 speed and 4/5/6mm spindle shaft rollers.

Specification:

Material: Ceramic and Aluminium alloy

Pulley Wheel Size(Diameter): approx. 72mm/2.83 inch

Package Includes:

1 Piece Bike Rear Jockey Wheel

2 Pieces Spindle Size Reducing Bushing (4m&5m)

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