Structural design:
Net weight: 286 g/10.08 OZ
5M pulley wheel: big tooth 36/ small tooth 12
Gear width: 17MM/0.669IN
Hollow inner diameter of large pulley wheel: 46MM/1.8IN
Inner diameter of small pulley wheel: 10MM /0.39 IN(usually matched with 60 series of brushless motors)
Belt: 5M, circumference: 285, width: 10MM.