1. High-strength aluminum alloy material, wear-resistant rubber wheels, waterproof and non-slip 2. CNC machining, light weight, high strength, anodized surface, bright colors and no fading 3. The inside of the wheel is a bearing structure, the rotation is smooth, there is no abnormal noise, and there is no need to disassemble after the installation is complete 4. Simple installation, the wheel is fastened on the seat tube without affecting the removal and installation of the seat tube, and the bicycle can be pushed on the flat ground after being folded 5. Material: aluminum alloy + rubber 6. Applicable: suitable for about 28-32mm round seat tube 7. Weight: about 43 grams 8. Size: about 6x2.8cm
