Material: aluminum alloy
Model: RAO
Length: 170mm
Color: black, red
Speed: 8/9/10/11/12 speed
Bottom axis: BSA68 / 73mm
BC 1.37 * 24T Φ24mm
Weight:

Crank over 700g
32T + crank over 741g
34T + crank over 750g
36T + crank over 760g
38T + crank over 770g

32T + crank + BB about 841g
34T + crank + BB over 850g
36T + crank + BB over 860g
38T + crank + BB about 870g

Advantages of oval crankset

When riding on a flat road, the riding speed is easier to increase, and when riding on an uphill road, it is easier to drive.