Rower Przerzutka Tylna Koło Pasowe Koło Jockey

Bike Rear Derailleur Pulley Jockey Wheel

Description: Bike rear derailleur pulley is made of high quality ceramic bearing + aluminum alloy material, whcich is sturdy and durable. The inner ceramic bearing is ultralight and super lubricating, which can ensures its smooth working and provide you with a great using effect. The rear derailleur pulley is used on rear derailleur for chain transportation and speed changing, which is a necessary accessary for bicycle. Positive and negative wheel can effectively inhibit the horizontal swing of the chain, so that the speed is more accurate. Easy to install, included screw and replaceable 4mm and 5mm bushing to enrich your installation choices.

Specification: Material: Aluminum Alloy, Ceramic Bearing Size: 12T: 50mm/1.97inch 14T: 58mm/2.28inch

Package Includes: 1 Piece Bike Rear Derailleur Pulley Wheel(12T) 1 Piece Bike Rear Derailleur Pulley Wheel(14T)