1. Material: die-cast aluminum alloy
2. Suitable for: road bikes, mountain bikes and other bicycles
3. Sealed bearing, dustproof and waterproof
4. Wide tread, fit the sole of the shoe in a larger area, better riding power
5. Double DU, the pedals are more lubricated, the rotation is labor-saving, and the riding efficiency is improved
6. 20 anti-skid nails on both sides, making it harder to slip
7. Chrome-molybdenum steel shaft core, universal threaded mouth, lighter and better strength
8. Dimensions: 12.6x10.3x2 cm
9. Weight: about 400 grams