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    Building a e-roadbike

    Hey so I want to get a fast roadbike that has a good range. I plan to do this by first going for the standard non electric fast bike which will have speed pedals, drop bars etc. My current bike is a sirrus specialised which I am thinking of converting to a road bike for more speed. I then...
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    Um 44 Ebike battery propriatory?

    Hmm does the shape of the battery matter? The current battery is a square one that goes under the seat and the bottle battery is a bottle. Is the square thing under the seat the case for the battery meaning id have to get a square battery? What do I do if the new battery doesn't fit in the old box?
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    Um 44 Ebike battery propriatory?

    Here is the bike I am going to buy. http://urbanmover.com/products/powerAssistedBikes/UM44.php and here is the battery I am looking at...
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    Um 44 Ebike battery propriatory?

    Hey I am about to get a cheap ebike that has a faulty battery. It is a um44 by ultramover. Now im wondering are the batterys specific type for specific bikes like with laptops? It uses a 26v 9ah lithium battery, but these are very hard to find and very expensive. Can I just go and buy a 24V or...