CHAIN WHEEL

ZP-A62-A1-52T-A
CRANK 曲柄 A60-170mm
(Alloy Forged 6061-T6)
CHAIN RING 链轮 52T(steel)
CHAINGUARD 链罩 52T(alloy)
SPIDER 爪 BCD 130mm
CHAINLINE 链线 43.5mm
COMPATIBIL ITY 变速兼容 1*11S
B.B.T 中轴

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