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  1. craiggor

    Xiongda 2 speed Motor Ebike Conversion Kit

    Yes good idea. May I suggest that you use the word Xiongda in the thread about your bike makes it easier for people searching for anything to do with the double speed motor.
  2. craiggor

    Xiongda 2 speed Motor Ebike Conversion Kit

    Was that $130 each for just the motors ? No controllers and displays ? I will be following your posts with great interest.
  3. craiggor

    Xiongda 2 speed Motor Ebike Conversion Kit

    Hi BARE, I live in a hilly area of the UK, I bought a 2 speed motor years ago when they were new to the market. It broke twice Xiongda were more than good dealing with the problem sending me free parts to fix my self. The motor is now retired to my sons attic with just over 5,000 miles on it, I...
  4. craiggor

    Xiongda 2 speed Motor Ebike Conversion Kit

    How much is the double speed motor, controller and display posted to the U,K. ?
  5. craiggor

    Battery and electronic box, can you actually bend what you draw in sheet metal

    Look on you tube on how to make a simple angle iron sheet metal bender.
  6. craiggor

    Tire slipping on rim causing valve stem to tear and or flat

    Just fitted a cheap rubber valve stem 1.75 inner tube in my 2.35 fat frank tyre and the tube seems to be slipping inside the tyre.Angling the stem within 5 miles twice.Correct size tube on order.
  7. craiggor

    Tire slipping on rim causing valve stem to tear and or flat

    Read an old motorcycle book "Speed and how to obtain it" it recommended drilling the rims in four places each side and fitting self tapping screws. Trails and motocross bikes now use rim locks. Don't know if you can get rim locks for push bike sized wheels maybe someone could 3d print some.
  8. craiggor

    Xiongda 2 speed hub motor

    Sorry shouldn't have said motor shaft. The motor spins around the axle the axle is bolted to tbe bike frame the plate is attached to the axle with the key. The motor has a small fixed metal cog that spins the planatery gears. See the 62 page thread on how the motor changes gear by reversing and...
  9. craiggor

    Xiongda 2 speed hub motor

    It uses a small oblong keyway and key on the motor shaft and plate.
  10. craiggor

    2 Speed Xiongda hubmotor

    Bruce Teakle has a new video on you tube "Xiongda 2- speed hub motor with slipping motor magnets" link on the video to his blog on how he fixed it. He was lubricating and cooling the motor with ATF but does not know if the ATF caused the magnets to loosen because he has run another Xiongda with...
  11. craiggor

    2 Speed Xiongda hubmotor

    See pages 42/49 of this thread for my pictures of the first time I striped both the sun gear and planetary gears.That day my clutch was rattling the most it ever had.I set off on the flat and it striped then I changed gear and it striped again. I stretched the spring which seems to have stopped...
  12. craiggor

    2 Speed Xiongda hubmotor

    Makes me smile when people say don't push your bike backwards. I'm getting better at lifting the bike when moving it backwards after replacing the sun gear. Non Xiongda owners must laugh every time they roll their bike backwards "there goes another Xiongda motor ! " I stretched my single...
  13. craiggor

    2 Speed Xiongda hubmotor

    When mine broke I noticed on pulling it apart there was only one spring in the clutch the pencil is pointing to it. In the line drawing there is 3. I asked Bonnie about this and she said that one was normal. I'm not an engineer but surely this is something to do with the clutch locking and...
  14. craiggor

    Differences between the old and new version of phpbb & proposed changes

    Computer illiterate tablet user here if you could just bend a little and bring back tapatalk I would be very greatfull.I find it easier to navigate the site,post pics.I like the way I can change the back ground to black and I don't need to zoom in to read.I also like the app because it puts up a...
  15. craiggor

    converting small pit bike from petrol to electric.

    Does it have to be a pit bike.You could fit Any kit to a BMX or 24" wheeled mountain bike.
  16. craiggor

    2 Speed Xiongda hubmotor

    Try Bonnie@xiongdamotor.com.cn. Bonnie replied within a few days when I sent a message to Yona.She said Yona had left.
  17. craiggor

    Converting 48v DC to 36v DC?

    Have you considered taking your 48v battery apart and using something like the Vruzend DIY 18650 kit and reconfiguring the cells to 36v. Sent from my D101 using Tapatalk
  18. craiggor

    2 Speed Xiongda hubmotor

    First failure was with factory grease.I then changed to dry PTFE spray.The second brake was I think caused by the sun gear deforming(why it deformed I don't know,roll back ? I try not to.) And picking up the rubber and metal bearing seal and jaming in the sun gear I have filed a slight chamfer...
  19. craiggor

    2 Speed Xiongda hubmotor

    Material and bearing holder on sun gear changed.
  20. craiggor

    2 Speed Xiongda hubmotor

    5 levels of PAS + 0 and low. It has 10 magnets so is fast acting starting and stopping. Almost no need for brake cut off's,I haven't had cut off's fitted for 3121 miles. Throttle does not work on level 0. I would like to add a switch to the PAS to turn it off,because sometimes when in low gear I...
  21. craiggor

    V-twin Electric

    Batteries fit in the crankcase of the Munro.
  22. craiggor

    2 Speed Xiongda hubmotor

    The sun gear in the photo is from my first failure,when both the sun gear and planetary gears striped. I think it may have been the clutch locking up.The second sun gear failure was I think caused by deformed gears picking up the rubber/metal bearing oil seal.
  23. craiggor

    2 Speed Xiongda hubmotor

    Yea great service.Optical illusion on teeth.
  24. craiggor

    2 Speed Xiongda hubmotor

    Old one.New one
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