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If you look on Ebay, there are all sorts of bottle holders that starp on or clip on - under the seat, down the seatpost, in front of the steering head, across the way or downwards. Take your pick. You should have ordered a friont brake rather than a back one. If it's not too late, change it...

Where do you live?

This pretty well destroys that idea: https://www.beckershospitalreview.com/public-health/nearly-60-of-hospitalized-covid-19-patients-in-israel-fully-vaccinated-study-finds.html

Yes, you can change it to 4mph.

That's not my experience at all, and I've ridden a lot of electic bikes. Power is a product of battery voltage and the number of amps the motor conroller allows - nothing to do with the type of motor.

If it's like most electric bikes, it's not a clock. It's a running time meter.

None of that matters. it works when you pedal backwards, so it's the wrong way up - simples! It's always best to test the PAS before you fit it to make sure of the orientation and direction, especially as some sensors are handed. Also, check again before reassembling the crank, which will often...

In theory nylon can absorb organic greases and swell up, but the gears are not plain nylon, so it's probably no problem. To be on the safe side, I'd use red or white lithium grease, which is often what the manufacturers use.

Didn't they remove the acceleration test from the standard, Flecc? Anyway, it's impossible to do when the motor only works with pedalling, especially if you have a torque multiplication system like most bikes have.

You've put the magnet disc on upside down. Flip it over. Not all KT controllers have the function to reverse the PAS in the software. We're still waiting for you to tell us where you got the kit from. Ebay is big. Have you got a link to the listing?

It's a capacitor to take away the noise and give a clearer switching signal. I'm not sure about the 2v. That can depend on which meter you use. Also, you should test the halls when connected to and powered by the controller because they might need pull-up or pull-down resistors to switch properly.

At full throttle or on max assist, a BBS01 allows 15 amps into the motor unless you reprogrammed it for up to 18A. The spinning motor generates a back emf in direct proportion to its speed. The back emf has the effect of reducing the voltage to the motor, which means not so much current can get...

It's not a size limit, neither is it a power limit. The rule is that the motor must be "rated" at no more than 250w. There is no rule about how the rating should be applied. Normally, manufacturers would rate their motors as high as possible because it's a selling point. The motors would then be...

Something's a bit off with the logic in your worksheet. You've done 34 miles and used more than half of your battery. There's no way you're going to get 102 miles out of the second half unless you switch off the electrics and push it. I'm going to predict somewhere between 44 and 50 miles total...

You can buy a ready-made ebike from e-bikesdirect.co.uk for the same cost as a decent kit. Choose one with small wheels for hill-climbing.

Google Translate should do it automatically if you use Chrome browser.

Discs, calipers, adapters, cables, wheels and god knows what else for brakes that are going to be sub-standard - It's not worth it. Even a pair of forks with disc mounts will probably cost more than what that bike's worth. Those disc mount adapter things don't really work. I wouldn't advise...

The only way you can charge an ebike battery to less than 100% is if the battery has a special BMS that doesn't use top balancing. I don't know of any OEM bikes that have that in their batteries, though you can buy the BMSs and build your own battery with one. They allow balancing from your...

It's quite rusty, so try the 3-in-one oil, which you can get from any decent DIY shop. Halfords and Screwfix have it: https://www.google.com/search?q=3+in+one+oil&rlz=1C1ONGR_en-GBGB955GB956&oq=3+in+one+oil&aqs=chrome..69i57j0i512l9.3605j0j15&sourceid=chrome&ie=UTF-8 Alternatively, just...

https://www.pedelecforum.de/forum/index.php?threads/yamaha-reverse-engineering.39480/page-15#post-1551867