2015 hot selling high quality electric motor kit for mountain bike

Product description of electric motor kit for mountain bike :

a.Warranty :motor is 3years ,battery is 18months,controller and charger are 1year.

b.OEM &ODM are available as customers demand.

c.We have professional team on conversion kit ,10years working experience engineers and sales .

d.Workers are well trained ,testing every single parts before packing.

e.Sales reply to you within 24hours .online time is long ,easy to contact .

f.After service is fast ,send replacement parts as soon as you send fault parts to check.

Q:What`s the different from geared motor and gearless motor ?

A:Geared motor inside is gears ,life time is about 3years ,gearless motor life time is 5years. geared motor is better at climbing.torque is powerful.efficienty is above 82%,better than gearless motor .

Q:  What is the difference between front wheel and rear wheel?

A: Front wheel open size is 100mm, is easier to install ,10mins is ok . it is suitable for flat road riding. Rear wheel open size is 135mm, is better for hilly road and hill climbing, and motor can assemble speed gears.

Q:How to ship one sample ?

A:One sample is better shipping by air ,battery shipping by TNT only.sea shipping cost is low ,even free,but nearly all destination port charge is high ,similar as air shipping,but air shipping save a lot of time .