Alloy forged crank arm BCD104/64mm-4 arms.
Chainrings alloy CNC machined.
Teeth number:48/3626T, 48/34/24T, 46/34/24T, 44/32/22T, 42/32/22T, and others option.
Color: Black , silver, and others option.
Includes Integrated Bb-set.
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