Ride with confidence using the 10 Speed Bike Freewheel 11-40T Cassette Sprocket by SPYMINNPOO. Crafted from durable chromoly steel, this accessory offers high wear resistance and durability, ensuring a smooth and impact-resistant ride.

Designed to withstand high temperatures and rust, this flywheel guarantees long-lasting performance, making it ideal for both mountain and road bikes. Cyclists will appreciate the strong compatibility and high tooth shape that provide stable gears and accurate positioning for reliable performance.

The hollow design of this flywheel not only reduces weight but also increases speed, enhancing overall biking performance. No adjustments are needed for installation, making it a convenient accessory for riders looking to upgrade their bikes for better speed and efficiency.