1. 9/10/11S road bikes in the middle of the chainring

2. The chainring is 3MM aluminum, the crank AL-6061-T6 has good strength.

3. The middle-through chainring is lightweight and easier to ride.

4. Light pedaling and not easy to fall off.

5. CL: 50mm

6. BCD: 110mm

7. Q-FACTOR: 155mm

8. Chain line: 50mm

9. B.B.Axle: 2497mm

We apologize for the inconvenience, but at the moment, we do not offer sales of this product to individual consumers. However, we do have options for B2B sales and would be happy to assist you through our offline business team. You can reach them at for further information.