10 Speed Cassette Sprocket Hollow Lightweight Bicycle Flywheel Replacement Road Bike Cassette Mountain Bike Flywheel

NUEAYMS

Suitable for a wide range of bicycles, such as road bikes, mountain bikes, road bikes, etc Made of aluminum alloy, lightweight and durable Features hollow design to improve drainage, mud dispersion and heat dissipation Chain guide groove design improves shifting sensitivity for easy, speedy and smooth shifting 11-46T Combination Gear: 11-13-16-20-24-28-32-36-40-46T; Speed: 10 Speed