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Make sure the disc magnets are gapping the sensor by about 1mm, also make sure the disc is firmly in place. If you can turn the magnet disc by hand around the axle then it needs securing so that is can't do so.

Not forgetting 28" which is used for road/touring bikes also 622 but thinner tyres.

Hope he doesn't end up in a state similar to SW mate then, no brakes can't stop, The design of rotors with spoke like direction is so that they are in tension when fitted correctly reverse them and they are in compression. One could be inviting an off as some stage when failure occurs.

Looks like it could be using another crappy 3 spd speed controller. Another non user friendly drive system the Hyena isn't diy user friendly affair, will need dealer software to make any changes. Bluetooth /cloud activation control, a TS system with option of cadence as well. The Ebiking future...

Max current whether PAS or throttle should be a bit less then max continuous battery current and not the max peak current of the BMS. As has been said before the max continuous current is the current the battery will run at without cutting out, the max peak current is the current that may be...

SW is like marmite, sometimes ok other times not so. He does post some good stuff and this although utterly stupid riding, it is interesting to read what others get up too. Yes his mate is very lucky to be alive, he could have easily been hit by another vehicle after going over the barrier. He...

What does the charger out put voltage read ?

Don't charge below 17c what a load of cods, you will fine charging at lower temps just avoid freezing to about 10c. 1. Lithium stores best at low temps (remember to bring in doors for a day or so to acclimatise to ambient rom temp before charging). Low temps reduce the ability of lithium to...

My mK1 #17 kit is two and a half years old now and no issue with roller friction grip, 25miles I get from my 208wh battery with about a 1000' feet of ascent. Half back pedal on/off and sensor on the taking it's cue off the large sprocket, no PAS with the early MK1. Although the cut of is a...

Woosh are a very good choice.

Flip the disc as had been said or flip the magnets.

As vfr has said always charge full before a ride unless you are just going on errands or very short trips locally of up to 5 miles.

The bounce back from 2 lights to three is the battery sag , once the current demand is reduced the voltage rebounds giving a near true indication On my bikes I use a KT display with a pretty accurate voltage readout and always know the true battery SOC/voltage, otherwise one can wire up simple...

Answer is yes, it uses a generic battery known as a silver fish case. Plenty on ebay, amazon or other sites like Yosepower etc,etc, just double check the wire/pin out sequence on the bottom is correct so no bangs occur.

17.5wh/m is quite a heavy rate to use but if one is very unfit or has a disability then it might be a fair figure to use. For a regular or a fit person who rides quite often the 8 - 12 wh/m is a more likely accurate figure which would certainly give more range.

Finding the exact internal clutch gears may not be possible but one could use any hub motor for 100mm drop outs, it will depend if the motor is sensored or not and the motor connector used( Though I do have a vague recollection that the motor connection is not a universal type with Julet...

Your local Halfords is a good option for you as you say the guy is one of their rare gems and you have trust in him, ok as long as he remains there I guess (though if he ever moved on it may not be the same with CS). Kudos/Raleigh design have this KTM/Bosch model at £1700. .: Kudos Cycles -...

Battery can only deliver 50a max continuously, the 100a over current is a temporary measure for 5 - 10 seconds then it will cut out if the actual current demand is high. For battery longevity 40a continuous current draw would be better so controller values need adjusting.

37.4v is a very deep discharge the cells would be under 2.9v.

A hammer.