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
一、9/10/11S公路车中通牙盘
二、牙盘3MM铝材、曲柄AL-6061-T6强度好
三、中通牙盘轻量化 骑行更轻松
四、踩踏轻便 ,不易脱落
五、CL:50mm
六、BCD: 110mm
七、Q-FACTOR :155mm
八、 Chain line:50mm
九、B.B.Axle:2497mm