Ceramic Rear Derailleur Bike Bearing Jockey Wheel MTB Guide Pulley 12T Black C Hoses & Fittings 5V DC Can replace the

5V DC Can replace the traditional touch of a button Four M2 screws positioning holes for easy installation Specification: Item Min Typical Max Unit Power supply voltage VCC 2

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1Piece Receiver

ITEM NAME:7 x MG-11 100x32MM Metal Weld Fillet Gages Set Welding Inspection Test Ulnar img *{margin:0

Ceramic Rear Derailleur Bike Bearing Jockey Wheel MTB Guide Pulley 12T Black C Hoses & Fittings 5V DC Can replace theITEM NAME: Ceramic Rear Derailleur Bike Bearing Jockey Wheel MTB Guide Pulley 12T Black Description: Made of CNC aluminum alloy, lightweight and durable. Ceramics bearing, super lubricating, noiseless. Positive and negative tooth guide wheel can effectively the horizontal swing of the chain, so that the speed is more accurate. Apply for most rear derailleur of 12 teeth in the market. Specification: Material: 7075 Aluminum Alloy Specifications: 12T