Gear or calibration problem

Anyone had an issue like that?

It seems that the bearing is not working well, please copy this link and with your info below, Email to support@ufactory.cc to get RMA service.

  1. Contact information (Full Name/Email/Phone Number)
  2. Physical Address
  3. SN (On the bottom of the uArm)
  4. Proof of purchase (photocopy or photo or screenshot) or order number.

Thanks