11-40T Road Bike 9 Speed Cassette Mountain Bike Flywheel Tower Wheel Bicycles Cassette Freewheel Cycling Accessories

Adults. Combination Gear: 11-13-16-20-24-28-32-36-40T, Speeds: 9 Speed. The chain guide grooves designs make the shifting more sensitive, and realizes easy, fast and smooth shifting. Make of aluminum alloys, light weight and Enduring. 11-40T Road Bike 9 Speed Cassette Mountain Bike Flywheel Tower Wheel Bicycles Cassette Freewheel Cycling Accessories. Features: Combination Gear: 11-13-16-20-24-28-32-36-40T, Speeds: 9 Speed. The chain guide grooves designs make the shifting more sensitive, and realizes easy, fast and smooth shifting. Make of aluminum alloys, light weight and Enduring. It features a hollows designs, improving drainage, mud dispersion, and heat dissipation. Suitable for a wide ranges of bikes, including road bikes, mountain bikes, and Road bikes. Specifications: Component: Aluminum Alloys. Speed: 9-speed 40T. Gear ratio: 11-13-16-20-24-28-32-36-40T. Package Includes: 1pc Road Bike Cassette. note: Please allow 1-2cm errors due to manual measurement, make surely that you not