36V 48V 250 350W 500W electric bicycle mid motor with torque sensor throttle
4)Product Features
1 Bilateral pure torque sensor,achieved perfect human-machine Coordination
② High speed(motor core speed >5000rpm),high reduction ratio(53), strong starting and climbing power
③ There are 68mm~73mm of bottom bracket width for optional,wide range of applications
④ The clutch is integrated on the big gear, the bottom bracket is completely desengaged from the gear when cycling,just as easy as riding a normal bicycle
⑤ FOC vector controller, high efficiency, low noise, fast-response
Warranty:
1 year (based on the purchase data): Free repair,buyer pay for return postage,
resend postage free,Buyer should return to China for repair.
Payment:
The payment isn't included the remote fee. There will have extra cost if your address is belong to remote areas.
Return & Refund:
After receiving the item,buyer should start a return within 7 days.Return postage will be paid by buyer.The return items must be in original conditions never used.Buyer can not return to sender address,we will provide local return address to buyer.
Feedback:
Your satisfaction and positive feedback is very important for us, it will be very kind of you to leave us 5 stars feedback, if you have any problems, don`t hesitate tocontact us, we will do our best to serve with you.