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Do you notice any increase in torque? (acceleration or hill climbing ability?) in de-restricted mode. If, as Flecc says, the restrictor works only by limting the duty cycle of the controller and doesn't change the current limit, then the motor will be no more or less efficient with...

apparently co2 wouldn't work. U need a type d fire extinguisher! Laptop Battery Fire Video

serious stuff. house fires not nice. I'm a bit skeptical about li-ion cobalt packs being sold as a consumer product.. So many differnet ways for them to explode. I suppose a good question to ask before buying a lithium battery bike is 'would your liability insurance cover if me if my house...

Flecc, are you aware of this actually happening to anyone yet?

I think there's a parallel with derestricked mopeds or motorbikes. my understanding is that its very rarely enforced even though the law is clear its a legal/practical headache for the police to enforce. They may suspect you of riding a derestricted by bike but they're much more likely to give...

I can't see the police enforcing it unless you were riding your bike in such a way that it was obvious that it capable of way over 16mph. Imagine you get into a situation with a cop that knows the law well (pretty unlikely)also has a fair understanding of physics and also doesn't like you...

I think if they could prove that the bike had the ability to go above 15mph then they could sieze it and presumably charge you with riding an unlicensed motor vehicle regardless of whether they actually clock you going faster than 15mph? Aside of the actual law I think you'd really have to...

Hi pdg, I notice your in Canada? lots of great top ebike suppliers there. what kits are you looking at?

That's my favorite trick :D , although I haven't as yet noticed any police actually watching me I do it as a precautionary measure. I suppose mirrors are essential for high speed ebike riding. In over 20 years of cycling I've only once been stopped by the police and that was for not...

duck tape, £1 multitool plus undetermined quantity of optimism that i'll reach my destination:D

Actually I couldn't help but be impressed by the Sparta. Not my idea of what an electric bike should be at all, I like high voltage, lots of gears and lots of scope for modification. I've not yet tried a pedelec drive system that hasn't had me reaching for the pedal sensors and replacing them...

Strange isn't it. I can find no information on what they use either. I suppose its conceivable its a brushed hub motor.

When i was first starting to playing around with electric bikes i use 30amp lego connectors. They're a bit fidly and they do rust but if you do them up tight you get a good connection because of the compression of the metals. always a good idea to grease the wire and connectors through as this...

I got mine this morning and coincidendly had a ride on the Sparta Ion this afternoon:cool:

whats the battery chemistry ie the anode/chathode?

lol that sentence was mangled. President Armadinajad was one of the riders not the MC! (watch the vid)

great vid. The MC was ace. president armadinajad no less. wonder what celebs we'll have this year:D

Those bikes sound interesting Nigel. I'll PM you

For restoration and repair for friends who would like to ride ebikes but never have any cash :D . Basically I'm an enthusiast that likes tinkering/restoring old ebikes. If you have an old bike that is broken and of no use to you then I may be able to pay you some cash, I can collect if your...

you could try one of the free online virus scans such as this one Dr.Web Anti-virus - official website of Doctor Web, Ltd. / Download I've not found norton very good. I'm not a computer security expert but I do use my computer a lot and have found that while norton picks up some viruses...