High Quality Material: The Bicycle Cassette Sprocket is made of quality steel material, corrosion resistance, sturdy and durable.Good quality not only can provide a safer guarantee for your life,but also good materials can increase product life.
HOLLOW OUT DESIGN: Hollow out design reduces much weight to lessen the burden of long time cycling.High precision thread ensures close connection with the bike hub and smooth operation.
Speed ratio: 10 speed 11-46T,11-13-15-18-21-24-28-34-40-46T. It can meet different shifting needs during your riding.
Easy to Install: The Freewheel Replacement Accessorycan directly replace your old or broken Freewheel, Wonderful accessory for mountain bike and Road cycling.
After-sales service: If you have any questions about the product, please feel free to contact us, we will give you a satisfactory answer within 24 hours. happy shopping!