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My hand throttle is very power thirsty and I don't think it needs to be so. I'm writing this to ask if anyone might please have any ideas how to make it less so. I've noticed using the hand throttle I've installed on my 14a, 14.5ah Bafang CST conversion, generally draws all 20 bars of power -...

Does anyone know what might have caused my bike to do this last night when it was hot and humid in London? It doesn't feel safe because the light is off for nearly a second on every flash, then on again for a second, repeat continuously. It's a self build with this setup...

Hey all, My Bafang CST HT kit is a monster and munches the miles - but unfortunately after the two pretty alright journeys I've done on it (both from sunny Hertfordshire to central London) I've developed breathing problems and can't really breathe properly, talk, or sleep without using an...

If anyone's for one knocking around they're not using I'd be interested in taking it off your hands! Jonathan

An unnerving thing happened yesterday and I'm still quite shaken. Someone not-quite-overtook me at a junction, braked, and turned left across me, on a two-lane road, forcing me to come to a halt or be knocked off my bike. They pretty much turned 'into' me. It was frightening and upsetting...

Hi all, Could anyone please advise me what the washer order ought to be for this rear wheel install? I seem to have several washers too many in the kit. The two photos I'm about to post will show what I've got. What's on the bike seems to be a bit too few (see the gap). Thanks! Jonathan

Hi all, After finishing my pedelec build, I recently found my youngish knees are not as reliable as I'd hoped and I need to be able to use throttle only when riding. Unfortunately this threatens to defeat my main purpose in having an electric bike - because you can't use a throttle-only ebike...

I don't know if anyone's noticed but the above is an actual thing. A bunch were on eBay until a few days ago, and I've googled and seen this and this . Does anyone know of a Chinese supplier of single quantities? 235 Euros is a bit steep.

Well it works. I had to bodge and bend the PAS sensor (or 'rig it up', not sure which) with cable ties because it wouldn't fit on the crank side on which it belonged. After my many weeks building, unbuilding, and rebuilding this kit setup I now feel an unexpected sort of intimate involvement...

I realise this isn't quite a pedelec thing, but it has arisen in the context of my buying a donor bike to convert. It is a lovely bike, a Dahon Cadenza with an Alfine 8 rear hub gear, but is quite scratched, and I may have to replace the front fork to fit a Xiongda motor, as mine has no V-brake...

Just released Tuesday. X-rays of exploding & exploded 18650s. Scroll down for pics. Video here (not v illuminating) - explosion at 1:28.

*holds head in bafflement* Why, elifebike, why... Actually the second is Greenbikekit and I don't see it as quite as annoying but I still don't know what to put where. Would be really grateful for any advice.

I don't know if it's clear from the photographs, but on the left-hand side of the motor, the oval-shaped part of the bolt which comes out, i.e. the bit which goes into a torque arm, only extends 2mm from the motor. On the right-hand side it extends only 4mm. This seems to mean that on the...

I've put the cassette on and unfortunately there's about 7mm of play where the cassette is just flopping on and off the side of the motor. I've had a look and the spacers will cost a fortune, like £15 or something, and the tools another £15 for a torque wrench and the...

The 12.2kg Montague Urban. Here http://www.montaguefoldingbike.co.uk/uk/folding_bikes/pavement/urban Upside is light weight, battery can hang off downtube (here someone's done it http://www.bikefold.com/bionx-montague-electric-bikes/ ), folding capability obviously. Biggest downside is that...

Hahahaha

Although read the terms carefully for exclusions for anything non-EN-rated &c.

I don't think even a recumbent cyclist could do that, somehow. http://www.cbc.ca/m/news/technology/tiny-blackpoll-warbler-flies-3-days-non-stop-in-record-migration-1.3017544

Shout out for the Cheshunt branch of Stanley Bridge Cycles who are building me a wheel from scratch for £23-£28 max, I just provide the hub-motor and rim, they measure up and source the spokes for £12 if I wish. Result.

Since my 15ah 36v Samsung lithium battery pack arrived, my flat smells. It's an unpleasant chemical smell. Clearly my bike-building hobby has turned my home into a heated chemical storage shed. Is it safe to keep these things in a sealed plastic bag? The pack contains Samsung ICR18650 29E...