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That eZee kit does look very good & eZee have a good reputation for their bikes, and good support via this forum or their dealers. Plus it's overvoltable (recommended max is 48V) without changing the controller to get that extra speed you want. I believe it's eZee's own design of motor as...

If the Alien kit is anything like my Wisper (which if it's the Suzhou Bafang based kit it should be similar), it's quite hard to determine when assistance ceases as gradually eases off until you are pedalling faster than the motor can spin. On the Wisper (derestricted) this is around 17-18mph...

On the subject of DC-DC converters, the folks on EndlessSphere have been having quite a bit of luck using mains switching (i.e.transformerless) power supplies e.g. old phone chargers. It seems many of them aren't fussy about the voltage they receive... My new low tech (i.e. resistor driven)...

Well get your tape measure out and you'll see....it's HUGE! Non-standard doesn't come close :o Take care of that BB coz its Wisper specific. (it needs to be this big to accomodate the very wide axle of the motor)

Well the 5304 bike you were looking at might not look much like a bike when you've finished strapping the batteries on to it. It'd probably attract quite a bit a unwanted police attention. Well the generic idea is take an existing e-bike and pimp it up a bit. That way many of the problems...

Agreed they do need a bit more love and attention, although the disc brakes don't seem to need as much However, I think we can assume if you've got a bike that needs type approval you're very likely to have built it yourself, so a bit of brake maintenance isn't likely to fase (sp?) you...

Pimp your ride... Flecc's analysis above clearly shows the technical challenges of the 25mph beast you are attempting to build...so how about this for a strategy?: 1) Buy a Suzhou Bafang based bike such as a second hand Ezee Torq or a Wisper 905. 2) Ride it around in its normal...

The 5304 gets good respect on EndlessSphere. The Ping combined with a 5304 however, may not be a good combination according to those that have used it on EndlessSphere. Pings have a low "C value", which in short means they aren't particularly good at delivering very high currents (I...

Footie, that's good to know. The effects of the lower C value are more likely to be: a) Earlier cutting out on hills when the battery is getting near empty *compared to a higher C battery. b) Less ooomph and acceleration *compared to a higher C battery. However, from what you say these...

I've been considering this as a replacement for my battery when it eventually dies (hopefully not for another year or so!). The answer is it's not so simple! :D Basically on first sight it looks like replacing the battery with a LiFePO4 would be a no-brainer. They are cheaper to buy ATM...

I'm curious about how much like a full moped it needs to be? For example does it need indicators? A permanent headlight? A speedo? Brakelights? etc. etc. Would a e-bicycle with a numberplate qualify?

With that sort of budget you have a wiiiide choice. Powabyke & the Agguttu are different animals, one being "twist & go" and the other being an advanced pedelec which adjusts its power according to how hard YOU pedal! Your proposed commute is well within the bounds of most e-bikes on the...

For a back wheel, if you can, fix the puncture instead of replacing the tube. If you are lucky with this method you can get away without removing the wheel. For front wheels, there is less faff involved in removing & replacing the wheel so replacing could be faster than fixing.

Yep, I've even customized the "restrict" function of my Wisper for this purpose, with the green button in the right place it can be restricted right down to walking pace!

Well looking at the pictures, that's a dinner plate of a motor, which usually indicates a direct drive rather than a geared motor. These I understand to not have much torque at low speeds. i.e. it'll be fine on the flat but may suffer on the hills. It's brushless at least though (according to...

Whoops I was thinking of laurie-twinkle...who is neither in Lincolnshire nor listing throttles! (she does do other e-bike/e-scooter stuff though). :( Try Keywin/e-crazyman on ebay: eBay UK Shop - HuaQiang North Road: E-bike Scooter Parts, Mini Water Pump, Switch Power supply He's...

It's not really a voltage thing (36V, 24V etc), unless you want a combined battery meter. It's more a "hall sensor" or "potentiometer" question. You can make a reasonable guess at this by looking at the label on your controller. Hopefully it should tell you the throttle voltage input...

I consider myself wrong & chastened! :( ;) (and also tempted by the power available...!)

Hmmm...sounds like you could do with a.....moped? Seriously though: 1) 25mph...no current kit offers 25MPH (even derestricted). 25KPH yes 25MPH no. You might get up to 18MPH derestricted. (Kits are generally aimed at the "legal" market ;-) ). Hence the moped comment :) 2) Don't know...

The weather's much nicer on Google Earth! :p