Drive belt V-belt type 669mm for 139QMB, QMA 10 inch wheels scooter
Belt dimensions: 669x18x30
Reinforced design for extreme loads with higher power transmission and less resistance
High quality replacement wedge strap with this standard belt.
The very good grip of the belt provides good acceleration values, low traction losses and optimal power transmission.
The belt construction and the materials used are designed by the manufacturer for standard and lightly tuned motors, in order to minimize wear and loss of performance for original engines.
Fits 139QMB / QMA engines with 10 "wheels or an original size of 669-18-30mm.The distance between the crankshaft and the transmission input shaft (the coupling bell is located here) can be measured as a coarse dimension.
Belt dimensions: 669-18-30 mm
Drive belts for variomatic
- maintenance-free, no re-tensioning is required!
- High efficiency !
- optimal power transmission!
- very high bending efficiency!
- very low elongation!
- very long life!
- low energy consumption