Easy to install: Ultra-lightweight, professional racing grade, with strong driving compatibility. You can simply replace an old or damaged speed cassette without making any adjustments to the drivetrain.
Sturdy Material: Made of high-quality steel, resistant to high temperature and rust. In addition, it is non-deformable, wear-resistant and durable. The hollow design reduces weight, and the mud drain hole also makes cleaning the shift cassette easier.
Details: High-precision internal thread ensures a tight connection with the bicycle hub. Steady rotation and easy maintenance. Cutout technology further reduces weight without compromising stiffness for an easier ride.
Smooth transition: With special tooth profile and bevel, it has fast and accurate transition function. Elastomers and special tooth profiles eliminate vibration and noise when the chain engages the gears, and switching is easy.
100% Absolute Satisfaction Guarantee: If you have any questions or suggestions about this product, please feel free to contact us by email; we will definitely give you a satisfactory solution and never let you suffer
