RACEWORK new 11 speed road bike flywheel, high-strength steel plate, nickel-chrome plated, hollow design, light weight, the best choice for mid-range price, ultra-light design concept, imported super wear-resistant steel
Material: High carbon steel Speed: 11 speed 11-28T Gear Ratio: 11-28T: 11-12-13-14-15-17-19-21-23-25-28T 11-32T: 11-12-13-15-17-19-21-23-25-28-32T Weight: about 300g
