Name: Aluminum Alloy 412 Integrated Hollow Crankset
Material: Aluminum Alloy
Weight: About 530g
Color: Black, Red, Silver, Gold, Oil Slick
Applicable: Folding Bikes, Brompton, Pikes, 3Sixty
The hollowness of the crank makes the crank lighter while ensuring its strength. The inner wall of the crank is hollow with hollow five-claws.