Buy Ying Bicycle Crank Widened Thickened 104/64BCD 34T Waterproof Noise Reduction Accessories
- Forged from high strength aluminum alloy, it is widened and thickened, easy to bear force and does not break, and the stability of crank and hollow axis is improved
- Closed four claw, which can be effectively waterproof and antifouling; The crank is firmly locked, not easy to slip, with clear edges and corners and a sense of wire; Internal hollowing and weight reduction of crank
- Compatible with transmission disc dual disc 104/64BCD; Only screws can be fixed without nuts. The light weight is reduced, and the nail hole is designed with internal sink notch. The disc nails are not prominent and have a stronge overall sense
- Palin bearing, noise reduction, easy maintenance and lubrication; Fine thread and thread type lock enhance the lateral stability and will not loosen
- Ensure that the chain is fixed, effectively protect frame from scratch, prolong the wear life, and reduce friction and noise. Greatly reduce vehicle load