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Differential is installed together with the motor , an axle is installed on each side of the motor

16 tooth Drive axle

48v 500w motor: 3000rpm rated current: 15ah, max discharging time : 160mins max speed: 13mph ( under the load of 143lbs, and the weight of the bike is 154lbs)

Gearbox: 9.5:1 Torque: 1.8Nm

48v 1000w motor : 4800rpm rated current: 18-35ah, max discharging time : 140mins max speed: 17mph ( under the load of 198lbs, and the weight of the bike is 154lbs)

Gearbox: 9.5:1 Torque: 2.62Nm

Axle size options (each axle set comes with two short axles) ?

1. the distance between two wheels is 760mm (30 inches), comes with 3 stud wheel hubs

2. the distance between two wheels is 860mm (34 inches), comes with 3 stud wheel hubs

3. the distance between two wheels is 1020mm (40inches), comes with 4 stud wheel hubs

Battery (4PCS): 12V 12AH, 6"X4"X4" Total weight: 33.5lbs

Wheels/Tires size option: ( please let us know which tire would you like)

1. 4.10-6 tire : Height 12.6" (320mm) x Width 4.52" (115mm) , 3 holes, Center hole: 2.12''(54mm), Bolt diameter: 8mm, Mounting hole distance: 3.07''(78mm)

2. 13x5.00-6 tire: Height 12.6" (320mm)x Width 4.33" (110mm), 3 holes, Center hole: 2.12"(54mm), Bolt diameter: 8mm, Mounting hole distance: 3.07"(78mm)

3. 145/70-6 tire (black): Height 14.17" (360mm)x Width 5.31" (135mm), 3 holes, Center hole: 2.12"(54mm), Bolt diameter: 8mm, Mounting hole distance: 3.07"(78mm)

4. 145/70-6 tire (silver): Height 14.76" (375mm)x Width 5.31" (135mm), 3 holes, Center hole: 2.12"(54mm), Bolt diameter: 8mm, Mounting hole distance: 3.07"(78mm)

5. 16x8-7 tire (3 holes ): Height 16.53" (420mm)x Width 6.29" (160mm), 3 holes, Center hole: 2.12"(54mm), Bolt diameter: 8mm, Mounting hole distance: 3.07"(78mm)

6. 16x8-7 tire (4 holes ): Height 16.73" (425mm)x Width 5.7" (145mm), 4 holes, Center hole: 3.54"(90mm), Bolt diameter: 10mm, Mounting hole distance: 3.07"(78mm)

7. 19x7-8 tire Height 19.72" (501mm)x Width 7.08" (180mm), 4 holes, Center hole: 3.54"(90mm), Bolt diameter: 10mm, Mounting hole distance: 3.07"(78mm)

8. 18x9.50-8 tire Height 18.5" (470mm)x Width 8.5" (215mm), 4 holes, Center hole: 3.54"(90mm), Bolt diameter: 10mm, Mounting hole distance: 3.07"(78mm)

For the instruction video, please check this link

https://youtu.be/RoZE1SYAxHo

What are the advantages of differential?

The differential allows wheels on the same axle to rotate at different speeds. When your vehicle goes around a corner the wheel on the outside has to travel faster than the wheel on the inside. The differential allows this to happen. Two wheel drive vehicles have one axle and four wheel drive vehicles have two.

Please kindly check all the description and size specs before purchase to make sure it will fit your application