Litepro Folding Bike Chainring Tensioner Rear Derailleur Chain Guide Pulley for Oval Tooth Plate Wheel Chain Xipper Bike parts 12*12*12cm

OverviewDescription: Product Name: Folding bike zipper(present with guide wheel) Size:11T Structure:Metal Bearings Material:7075 aluminum alloy Diameter:41mm Color:  Black Red Gold Silver Weight: about 58g/pcs Package: 1* folding bike zipper(present with guide wheel) Note: Normally the allowable differences in the size approximately 2 to 3 cm in measurement. As different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding.