Material: Aluminum alloy frame.
Hard enough: Chrome-molybdenum steel shaft core, aluminum alloy frame,-body aluminum alloy cleats, strong strength.
Anti-slip: double-sided anti-slip nails, anti-slip tread surface, pedaling feeling is real, to ensure your safety.
Durable: The overall metal material is strong and durable, not easy to break.
Lubrication: 3 bearing design, high lubrication, and labor saving.