Weight: 276g [Gear ratio] 11-28T (11-13-15-17-19-21-23-25-28T)
*Road cassette type 9-speed variable speed bicycle flywheel, compatible with the variable speed systems of major mountain brands.
*Made of high-strength steel, using quenching and tempering hardening technology. Therefore, it has high strength, durability and
strong wear resistance. Strong oxidation resistance, not easy to rust, and long service life. Due to the unique design of the car
sprocket, the shift function can be well controlled.
*Using hollow design, the weight is reduced. The surface is made of vacuum colorful electroplating process. No fading phenomenon
on the electroplated surface. The surface is more beautiful, giving a luxurious feeling.