TCXH-SMA（G4RE）(A4AH)

1、crank: Forged Alloy-6061-T6 165,170,175mm

2、chainring: steel 44/32/22T 

3、Chain line:47.5mm 

4、B.B.Axle:120mm

5、Compatiblity: 9s

$7.00
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