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If you have cable brakes, it's dead easy: 1. Tape a read switch to the frame and a magnet to the cable. 2. Use a micro switch with a lever attached to the cable 3. Use a motorcycle type switch and clamp the spring to the cable You can use all those methods on hydraulic brakes, but you have to...

Definition of "Dog" In engineering a dog is a tool that prevents movement or imparts movement by offering physical obstruction or engagement of some kind. http://engineeringslab.com/all_engineerings_dictionary_terms/dog.htm

Leave those loops disconnected. Have you done the settings on the LCD yet? Some of them disable the throttle? Also, sometimes the phase wires don't match colour to colour.

Unfortunately, everything is sealed and bespoke, so nothing to fix. Only Gtech can help and I heard they've run out of spares for your version. Some people swapped the battery and receiver for the later version, but that's expensive. If it comes to needing a new battery and you're good at DIY...

The three position switch could be wired in a number of different ways. It should be easy to get what you want either with or without that switch, but I'd need to see the wiring attached to the motor controller and where the switch and the throttle wires go to advise further. The easiest way to...

Why can't you access your gears? They work independently of the motor and chainwheel.

I'm just making sure that Ross doesn't get a surprise when he goes to a bloke's flat for some banging.

Oliver is normally a bloke's name. I'm not judging, but just making sure you understand before you put in your application.

The white one would be easiest to paint. The grey would be best if you're a smoker or Vaper because of the position of the hole at the front. Cross off the orange one because it'll let too much rain in and looks plain daft. The black one has pink, which is cool if you're a homo, as it gives that...

The spec for the BB is XTR BB93, which comes in 68mm or 73mm, which implies that the 93 is a version number, not the length. What do you think? That's why I said to take the crank-set off, so that we can see what he has.

You're forgetting that a car battery is not meant for deep discharging and that even a deep discharge leisure battery, should only be discharged to 50%. Nice try, but no cigar.

Very limited info. How old is your bike and which version is it? That's not a normal ebike problem. The Carrera Crossfire seems to have more than its share of issues. Know issues that could cause that are the motor connector not in properly. It can get kicked and dislodged. Some people use...

That wouldn't work. Firstly, a car battery isn't big enough. he'd need around a 100Ah one. Secondly, he'd have to drive the car for an hour every time he charged the ebike battery to charge up the car battery, in which case he wouldn't need the ebike.

How is it full carbon when it has a metal rear subframe and forks? It should be called Scott Genius mc20 slightly carbon. What exactly is carbon on it? Is it just the triangle and not even the BB? If the bottom bracket is a standard Shimano/BSA type, you might be able to fit a crank-drive...

That's the easiest type to fit a PAS to. Before starting, measure the gap between the pedal arm and the edge of the bearing adjuster (piece with two large dogs) and compare it with the thickness of the magnet disc. You need at least 1mm more for the gap than the disc thickness. First remove the...

The only suitable power source would be a generator that would have to used outside, and the noise for 5 bours would annoy a lot of people, and both the bike and generator are likely to get nicked. It looks like you'll have to sell your bike and get one with a removable battery.

Yup, they look pretty good to me. While you're there, you might as welĺ check the motor hall sensors. Check that you have 5v between red and black, then check black to blue, then green, then yellow while you turn the wheel backwards to see the 5v switching on and off on each one.

Won't your bike get nicked if you leave it out all the time?

Tony, I have been watching how you bend narratives and facts to guide people towards the bikes you have in stock. Good luck to you. I know you're only trying to finance your lifestyle. As you know, people will accept any bullshit you give them. The more complicated you make the theories and...

Can you explain what the charging problem is? Are they scared of it or what?