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Some pictures would be helpful. Making your own battery is possible, but not cost effective as a one off. You will need a welder as well as a bms, nickel strip, insulating tabs and a steady hand. E-bike batteries (advert on the right) will cell your case for you and arrange courier pick up...

To get best help you need to put up a few more photo's. A picture of the whole bike. Detail of the motor with any markings on it and connector. Detail of battery type, also any markings on it. Detail of bottom bracket area including pas disc. Controllers and displays normally come as matched...

Exactly, with a mid drive, the cadence is what the motor requires, not what the rider is comfortable with. As a hub drives the wheel directly the pedal cadence is irelavent to it, making it a less 'technical' ride. i.e. You only have to match the gear to your needs not the motors.

These motors are direct drive, they are power hungry and inefficient. The spec doesn't say the current rating of the controller but, because of said inefficiency, continuous current draw will be high. Therefore the battery needs to be not only large capacity but capable of delivering a high...

I would agree that hub motor is more reliable. No mysterious algorythms getting in the way, simple pas activation. Mid drive is a more 'technical' ride as gear changing has to be managed to suit the motor's requirements. On a basic hub motor'd bike all the electrics will be generic and user...

Can you be a bit more specific, does the fault only occur on throttle or on pas as well? Rough running on motors is often a wiring fault. have you checked the connector at the motor, is it fully home, is there any sign of heat or mechanical damage? The other possibility is that it's a hall...

Unless a battery is fitted to the top tube (restricting step through) then it'll have to be a rack battery. However said rack would probably mount further forward than your existing. There are some frame batteries that mount from the side, so may allow fitting between the frame tubes. Could...

Any kit, bought as such, will be plug and play, so you can put the soldering iron away. That bike should be a breeze to convert and, with a rear hub motor, you'll get a new back wheel. However, I think your budget is way shy, a decent kit will be more in the 5-600 (inc. battery) region. There...

I would recomend a geared rear hub. Front hubs can be a bit skittish on wet/loose surfaces and steering compromised in low speed manouvering. Nothing a regular cyclist can't handle, but with a child on board....... Mid drives, because they give power through tha chain/gearset, are a bit more...

Jeez - I ride mine ;)

Yay ! One up for garden shed maintenance, it's so very rewarding isn't it ?:cool:

RANT ALERT! A year ago we bought a low mileage, two previous owners vivaro combi. It has a wheel chair ramp fitted so is ideal for putting our bikes in for away rides.:) It's a 2012 and only had 29,600 miles on it - so a bargin as the dealer had taken it in part ex and couldn't shift it. The...

I'm guessing that what your son needs is a bike with a pas system. Torque sensing systems (which I think the vengence is) rely on sensing rider effort to give assist. They then multiply this sensed effort by a factor determined by what power setting is selected. With a pas system the rider...

Yes, that's what he means. It does mean that, once you've got the wheel in, it is gripped tightly by the frame. This makes getting it in and out (for maintenance, puncture repair etc) very difficult. Better to permanantly bend the frame as described, using threaded rod and nuts. I've done...

Have a look at Juicy Bikes, they're local to you. Also have look at Woosh.

I moved to Wales on 2000 and virtually stopped cycling - couldn't handle the hills. Converted my bike in 2014 (Ezee kit), since then done about 12000 miles. Use it for local shopping (nearest town is 4 miles) and loads more leisure cycling than I've ever done, I'm now 67. I'm a self employed...

The tsdz2 fits in place of the bottom bracket. You would loose the three front rings going to a single. The system is torque sensing, so multiplies the effort you put in, as opposed to other systems which use pas. These sense rotation of the peddles to give assist, so it is possible to ghost...

My bum has a genetically programmed maximum range of 25 miles. Does mean I never suffer range anxiety though.

Self appointed, petty minded control freak. Ask him what his authority is and to provide it in writing.

No answers here but an interesting ponder. The reason that Li-ion car batteries do so well is that the charge/discharge cycle depth is very restricted compared to bike batteries. That's to say that the management sytem only allows charge to around 80% of cell capacity (whilst still allowing...