WEST BIKING YP0719274 53-39T Road Bike Crank Racing Double Disc(Red)

1. Material: Aluminum alloy2. Application: road bike3. Suitable for long-distance cruisers who can maintain a speed of 30+KM and also suitable for explosive sprints of power players4. CNC technology better disc precision smooth hand feeling while brushing5. Large-area hollow design of the disc lightweight design6. The chain has a high degree of coordination with the tooth mouth of the disc which is sensitive and fast7. Waterproof and rustproof good durability8. With 4 pins it is not easy to drop the chain9. CBD: 130 mm10. Weight: 39T about 44 grams 53T about 109 grams