Ring can be fixed into the synchronous wheel to save the bridge fixed distance，
Only suitable for round bridge, carefully purchased
Fit 7-inch skateboard bridge 8044 skate wheel 5 holes of the wheel
adapter motor screw fixing hole pitch: Φ 30.0 * 30.0
Adjustable belt, fit belt circumference 225-285
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:
Stent：stainless steel + iron Strong and durable hardness is not deformed Synchronous wheel：aluminum