Product description: 1. Model: ZYTE 2. Fit: 12-28'' bike 3. Material: natural rubber/butyl rubber 4. MOQ: 1000PCS 5. Black or customize About our company: GuangZong Zhengyu Bicycle Tyre Co.,Ltd with 20 years experience in bicycle parts &accessories, include bicycle tyre, bicycle lamps, dynamo lights, flasher lights, bicycle locks, bells, helmets, reflectors, mudguards, kick stands, baskets, ...