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Show us a pic of the fork drop outs. Steel forks are a plus, you have to make sure the axle is fully seated. The axle is 14mm dia milled to 10mm across the flats so theses flats need to be fully seated against the drop outs, fit the anti rotation washers and torque arms will be needed. Fitted...

Display will need to be Bafang compatible.

I don't know the controller and never looked at the settings, somewhere one of the parameters will be for the speed sensor and will need setting to read one magnet pulse for the correct speed reading vfr has knowledge of them.

That's why the LCD4 doesn't have a separate button pad because other LCD's have this covered, the LCD4 is for small compactness that takes up little space.

Before you fit the PAS connect it to the controller depending on the wire colours of the PAS Red or Brown are 5v, Black is Gnd but if no Black it would be yellow & the third wire colour is the signal wire. Wire colours are very often non matching so you have to work out which is which. Pass the...

I have never needed to try a system reset but that might be the answer if it is all possible to zero the odo. With regards to the speed not showing if the hub has an internal speed sensor then either the sensor/hall has failed or the speed magnet has dislodged. Without opening the hub if you...

The odometer can't be reset only the trip mileage can be zeroed after each ride.

P1 according to the 1:4:83 gear ratio x 15 motor magnets should be about 72 or 73. P2 will be 1 or 6, if you freewheel and no speed is recorded then use the other value not selected. P3/1 for current control. C1 will be 0 or 1 for the 8 pole disc. C2 might help with sync, 0 is default setting...

You can use the pics if you wish to Daniel. I fitted the 2nd unit so both now stable and feeling/ looking like new, the 2nd retro fit I had to find another M4 as the original was lost some time ago. The M4 I found was 18mm so cut 2 or 3mm off and found the engagement much better. For anyone...

One can open the case up to find the battery pack and fitted BMS, then via the BMS one can check the cell group voltages to see if the battery is balanced or not. If the battery pack is unbalanced then likely a cell group or two might have a higher voltage so once these reach 4.2v the BMS stops...

The RC jet powered bikes are awesome, they are insane but you have to love them.

Yes 22mm Daniel, I did use the original screw just mentioned it as the thread didn't want to engage with the nut without more pressure then I expected.

Graunching indicates phase sync is out, one can try adjusting C2 value (if the lcd8 allows you to ) to see if any other setting proves better also double check motor connector IS fully pushed home. Low speed is P1 setting incorrect, P1 needs to be about 84 for hub with approx. 4:4:1 or 5:1...

The PLA 3D replacement holder is perfect, great stuff Daniel. Grips firmly and looks good, some might want to fit a 3 or 4mm longer M4 machine screw. Button pad with offending old broken holder sawn off. Button pad with new PLA 3D holder in position. Button pad fixed on the handle bar.

As vfr stated all the Phases use a common grounding so if you probe any pair they will tell you if a shirt is present set the meter to ohms 200k and get a reading if you get 0 then a short is present. The hand rotation of the motor wheel is simple, if it doesn't free wheel quickly then you...

Using vrf's technique one can carry our an ohm's test on any pair of phases to see if there is a short. Have you tested for hall failure ? With the controller connected can you quickly rotate the wheel forward with no resistance ?

I got in from work tonight just before 23.00hrs and my pair were sitting on the mat, will see if I can find time to fit one tomorrow on my Norco 700c commuter.

My 6 fet 20a model I wasn't able to touch as it was that hot, I had been in PAS 5 climbing a steep grass incline on the South Downs well off the beaten track. Initially I added a heat sink and a pairs of 5v fans in parallel with a separate power source and got a bot fed up with the extra...

If White is present it should be the signal wire, Black to White 1v & open throttle about 4v should register.

if it is an incompatibility issue then not much can be done even though both items are via Ezee, has one double checked the hub motor connector near to the axle is properly and fully home to the stop line.