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Yes it’s not instantly clear if you don’t already know the legal requirements and you do have to scroll down to the bottom of the home page and then it says: “Our emphasis is on producing the best electric bikes and to keep the price realistic. All Wing eBikes are being sold as off road eBike...

I will fit them back as I had them originally then, when the paint has had a chance to harden.

This better?

Good point I made some packing for the bottom of the battery, but have forgotten to put it in. Thanks for the reminder. I’ll go and fit it now.

There’s no chance on the derailleur side because the derailleur hanger is in the way, but there is a possibility on the brake side if I drill and tap a new hole in the frame, but I don’t want to weaken the frame because there are already 2 holes in the vicinity. I have put a pencil mark where...

I fitted an extension lead for the charger and a 125v ac marine switch to power off the controller so I don’t need to keep removing the cover to charge the battery. I’m currently looking for an appropriate bung to put over the end of the XLR connector. I used the hole that was for the original...

Here is a photo with one of the battery covers removed. The original battery and integrated controller were slung underneath the top tube and I fitted a 4 mm aluminium plate to mount the new KT48 controller.

I ordered them a few days ago and they arrived this morning and I have test fitted them. I’m going to remove them again for painting. I had to file a small relief on one of them to clear the caliper bolt and file a flat on a couple of washers. I’m very pleased with them. They are a snug fit over...

I originally had a triple chain set, so I disconnected the front derailleur gear change cable and adjusted the screws to set it up manually as a chain guide to stop the chain falling off. Maybe you could try that or fit a real chain guide. Another option is to shim the motor in the bottom...

I will have to order some. I have plenty of grease in my cupboard, but not the right stuff for an e-bike motor.

The motor is a BFSWX02 (10) with a 7 speed freewheel. The date marked on the circuit board is 27th May 2015. I stripped it down today for an inspection to see what condition it is in and was pleased to find it looked as good as new with no apparent wear on the planet gears. So it’s going back...

3 of those 7 wires are for the throttle and it’s just guesswork trying to figure out which ones they are. If you buy a new throttle try to get one with a 3 pin jst connector so it plugs straight into your new controller. My guess is red, black and one of the white ones. But chinese...

I have attached a photo of the B20 throttle/display which should help you identify the wires. But I think you will be better off by fitting a new 3 wire basic full twist throttle to the new controller.

Blimey, I just took a look at a B20 on Windgoo’s site. There are a lot of cockpit features on some of those bikes, cruise control button, full twist throttle, horn button, power on button. No wonder you don’t know where to connect the throttle to. Probably best to post up some photos, especially...

Do you have a throttle on your bike? If you don’t then it doesn’t need to be connected to anything.

The 3 pin connector with red white and black cables. It’s labelled turn the handle speed control knob

I have a vintage Rockrider Fire with a BBSHD and I use a backpack battery with an XT90 connector under the seat. I wouldn’t be able to mount a battery on my frame. I also fabricated a bash guard for the motor. I don’t like the way the cables are so vulnerable coming out of the bottom of the...

I think I may need to mount a pair of torque arms for the rear hub motor on my greaser. I like the look of the ones that hammer e-bikes sell. https://www.hammer-ebikes.com/store/p_2891207/adjustable-angle-heavy-duty-12x10mm-rear-torque-arm-1- Does anyone have any experience of these or...

Resurrecting an old thread with my first post. I just bought a second hand greaser and it certainly attracts some attention. I fitted a 52 volt battery and 30 amp KT controller with a KT03 lcd display to give it a bit more grunt. This is an early example, notice it has two 100mm bottom brackets...