Usually torque arms are used for some high power motors (750W and above), for smaller motors (500W and below), the bike frame is strong enough and torque arms are not necessary.
For some bikes with shallow fork openings, the motor shaft may slip out of the fork opening, so you will need a torque arm. You can also use a torque arm if you want to further strengthen the retention of the motor shaft.
Warranty
Warranty
Items
Motor
Controller
Charger
Battery
Phone Holder
Warranty
(Months)
24
24
24
12
3
After-Sale Service
Our goal is customer satisfaction!
After you received the goods, if you do not know how to use it, please feel freely to contact us, we will try our best to deal with all problems.
During the warranty period, if product parts have problem (like motor, controller, battery, charger, etc.), we will provide new parts for free(You need to provide strong evidence that shows these parts have been damaged), you only need to bear the freight. At the same time, we also can provide free technology consulting.
Within 5 days after you received the goods, if you find there are problem with goods, please contact us.
Local Dealer & Service
We have distributors in some countries or regions, so that you can receive our products faster and provide more timely and accurate after-sales service. Please contact us and we will recommend a suitable distributor to you.
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