齒盤 MA10-531C

MA10-531C

曲柄: 170mm (Forged AL6061-T6)
齒盤: 24/32/42T(24/32T Steel,42T Alloy)
中軸:Taper Square 126mm/M8
鍊線: 50mm
BCD: 64/104mm
Speed: 3x10s