Ring can be fixed into the synchronous wheel to save the bridge fixed distance，
Only suitable for round bridge, carefully purchased
Fit Long board 7-inch skateboard bridge，Small fish plate 4 - inch bridge,
double Tilted 5 - inch bridge 7243 skateboard wheel 5holes of the wheel ，
Fit 50,series brushless motor electric skateboard bracket,
Transmission is accurate, no slip at work, with a constant transmission ratio.
Smooth transmission, with a buffer, shock absorption capacity, low noise.
Easy maintenance, no lubrication, low maintenance costs.
Bracket structure design fixed hole position can be adjusted motor 4 fixed screw position,
thereby adjusting the size of the belt between the synchronous wheel elastic.
Material:
Synchronous wheel：aluminum
Specification:
net weight：50g
3M synchronous wheel: large teeth 48 / small teeth 16
With the wheel with the boss diameter: 38MM， high 4MM
Large synchronous wheel hollowed out inside diameter：22MM
Small sync wheel inner diameter：8MM
Belt：3M perimeter225 width 10MM
Package Included:
1*3M Size sync wheel
1*Belt （1*2.5MM 1*2MM ） L wrench ( 5*M4 5*M3*35 ）Machine screws