CHAIN WHEEL

ZP-A86-T2
CRANK 曲柄 A86-170mm
(Alloy Forged 6061-T6)
CHAIN RING 链轮 (iron)
SPIDER 爪 24T*38T(steel)
CHAINLINE 链线 50mm
COMPATIBIL ITY 变速兼容 3*9S/10S
B.B.T 中轴 Chrome molybdenum steel