Product Name: CX Square Hole Crank
Length: 170MM
Material: Aluminum alloy Compatible: 8/9/10/11 speed
BCD: 104MM
Total crank weight: about 510g
Color: black/red











Product name: Positive and negative tooth disc
Material: Aluminum alloy Color: Black/Red
Number of teeth: 32/34/36/38/40/42 teeth
B C D: 104MM
Weight: about 43g/50g/62g/71/75/92g