Ceramic Rear Derailleur Bike Bearing Jockey Wheel MTB BMX Guide Pulleys 12T - Hammers & Mallets 10 Pieces Chrysanthemum Head

10 Pieces Chrysanthemum Head

Backwards compatible with SATA revision 1 and 2 (aka SATA I and SATA II)

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Ball Valve Length: Approx

Ceramic Rear Derailleur Bike Bearing Jockey Wheel MTB BMX Guide Pulleys 12T - Hammers & Mallets 10 Pieces Chrysanthemum HeadITEM NAME: Ceramic Rear Derailleur Bike Bearing Jockey Wheel MTB BMX Guide Pulleys 12T img *{margin: 0; padding: 0;. Specifications: 12T. Apply for most rear derailleur of 12 teeth in the market. 1 Piece Bike Jockey Wheel. Positive and negative tooth guide wheel can effectively the horizontal swing of the chain, so that the speed is more accurate.