At the pedal spindle, the arm is 27.83mm, it reduces above the pedal to 18.5mm. On the left arm, at the B/B spindle area widens to 37.5mm. The arms are 14.14mm thick at the pedal spindle and thicken to 26.4mm at the B/B spindle

결론적으루 필요한 스핀들길이가 얼마라는 거죠??