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Sorry I think that that is delusional. Only rarely do circumstances conspire that making a mass produced good as ,a one off with new parts is cheaper than buying the finished product. It happens occasionally in the pc market. However The option of building your own customised unit from expensive...

... If you follow the sequence, the electric power from the battery goes usually via a mechanical switch and fuse to a controller box somewhere this is typically only a two wire power and return circuit. . The controller box has a larger number of connections as it 1. Sends the current to the...

Pessimists!

The good news is that the only changes you need to make are in getting a battery and charger designed for Li ion. The better news is that for the same weight as your battery is at present, you will get nearly three times the range or get a smaller pack of a third the weight. You basically have...

Electrically compatible yes. , Mechanically compatible , well you need to measure. When I had the task of refitting my UrbanMover um20 bike, I bought from China an assembly called little frog a black box which clipped onto the seatpost above the rear carrier and wired it down to the motor...

.. my suggestion is to buy a lithium battery complete with charger . If your bike was a nominal 24v one then you need a 29 V charger. There are many kits including housings, brackets available and all you need do is splice into where the leads from the original battery went.

... Not being a car person, but. I think you were correct and the salesman was condescending. . I was thinking that one of those blue / blue green groundsheets tarpolines with eyelets sold by aldi and the Halfords type shops for putting over trailers would be sturdy enough, provided you were...

... Are we getting a bit sarky now? Any bike, car, etc. Will be much better protected if kept under cover. Plastics become embrittled and colours fade under exposure to UV light from sun light, iron and steel parts will rust, even stainless steel will discolour, aluminium will discolour and...

.... Don't you understand the concept of bragging rights ? It's all about relatively.

... Although it is for a different system the Bosch simulator , allows you to play with different bike stances, terrain, weights, road surfaces and speeds so you can get an idea how they interact. Google Bosch simulator and play around.

30+ years ago when I was a proper cyclist travelling 14 miles urban each day. I found that if I put good tyres on the bike I would start to get a puncture after about 1 year. If I just fixed the puncture, they would become a regular occurrence. If I replaced the tyre, I would get another year...

... No no don't put chocolate bars in the tube,. I chickened out of putting slime in my tubes and bought the preslimed ones in Halfords.marginally more expensive . I am proud to say I have never chickened out of buying chocolate bars.

My suggestion is just to put a bit of duck tape .. or gaffer tape ..Over the exposed electric contacts from the battery connection.. And maybe a shower hat over the saddle and LCD if it doesn't come off . Bikes are sturdy beasts, and the frames are either aluminium or coated steel.

I would agree that the Bosch walk mode is a bit of a pain, and am not sure how useful it is anyway. Having to keep a finger pressed on a switch is ok for 3 minutes but when pushing the bike for two miles with a puncture it loses its charm. I like the intuvia display. It gives all the important...

... Warning remove the battery pack and the LCD display panel , if removable before hoisting them up onto the bike rack. It will reduce the weight, making it easier to lift, and more importantly they will not fly off if you hit a bump. Also a bike cover might be fine when the bikes are...

... Very informative, even a minor increase in speed cuts dramatically into range. Bosch also have a simulator... Without graphics, but this allows one to play with terrain, weights speeds etc and in my limited experience send to be giving fair results for their system. The same result speed...

... What is the level of security at your train station?. None of the other responses have picked up on this. Would not be pleasant to arrive back at station after 12 HR day and having 1 hr walk ahead of you.

Petrol will not self ignite, irrespective of temperature it needs oxygen, it does have a low flash point temperature where the amount of vapour in air will ignite. The lithium cell is self contained and contains sufficient materials for a combustion cycle to commence., Provided the local...

... According to that website the difference is around 3% , and will depend on inflation, brand , weight on bike, age of tyre. And probably even the weather and your altitude. I am tempted to say get a life. It doesn't change the distance you have to travel, the likely hood of being caught for...

Have you considered that the video might be time reversed? .