068-OUNCE-521
061-OUNCE-621C-TT-N_2

OUNCE-521

JIS-icon BCD130-icon

CRANK LENGTH
曲柄长度
170MM / 172.5MM / 175MM
CHAINRING
齿片
53-39T / 50-39T
CRANK MATERIAL
曲柄材质
FORGED AL-6061-T6
RANK FINISH
曲柄涂层
SAND BLACK
COMPATIBILITY
变速兼容
9S
B.C.D.
螺丝分布直径
130MM
CHAINLINE
链条中心线
43.5MM
CHAINRING MATERIAL
齿片材质
ALLOY (53T, 50T), STEEL (39T)
CHAINRING FINISH
齿片涂层
CNC DETAIL, BLACK SAND ANO. (53T, 50T)
BED (39T)
Q-FACTOR / I-FACTOR
曲柄后下叉距离
158 / 129MM
B.B. TAPER SQUARE
四方孔轴心
110.5MM
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