2pcs Aluminum 11T Jockey Wheel Rear Derailleur Pulley For Bicycle Bike(red KRI✈️

Feature: \n 1. Made of CNC aluminum alloy, lightweight and durable\n2. Anti rust and corrosion resistant anodized\n3. These pulleys run on smooth ball bearings\n4. Fits for almost all mountain bike of 11T\n5. A necessary accessary for your bicycle \n\nSpecification: \n\nDescription: \n\nThe pulley is  made of aluminum alloy, so that it is very firm, lightweight and durable. Anti-rust and corrosion resistant. It run on smooth ball bearings, and it's a necessary accessory for your bicycle. There are four different colors for you to choose from, to meet different needs. Fits for almost all mountain bike of 11T. Hope you will enjoy your cycling. Have a nice day. \n\nFeatures: \n\n1. Made of CNC aluminum alloy, lightweight and durable. \n\n2. Anti rust and corrosion resistant anodized.\n\n3. These pulleys run on smooth ball bearings.\n\n4. A necessary accessory for your bicycle. \n\n5. Fits for almost all mountain bike of 11T.\n\nSpecifications: \n\nMaterial: Aluminum Alloy: