parts group RO weight 0.76 kg
parts group RQ weight 0.60 kg
16 Chain pinionparts group RN weight 0.14 kg
parts group RQ weight 0.33 kg
parts group RO weight 1.11 kg
parts group RO weight 1.40 kg
Z=23 Pulleyparts group RQ weight 0.33 kg
16 Pinion