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So I finished building a folding bike with a BBS02 750w motor and 52v 14.5Ah battery My use case requires me to have a bike that folds but I still wanted something with some power. After seeing the Lunacycles folding bike yet sadly not able to get one in the UK I decided to try and build one...

the ADO A20 might be an alternative

can you set the max charge level using the app? (i.e. make it so that the battery only charges to 90%)

I really think you'll find the D4s not enough and I would worry about it coping with 145kgs given the build quality. the M1 pro is about 200 quid more but far sturdier. it comes locked to 25kmh max.

was that a 48v or 52v battery?

I have had the D4s and the M1 pro and unless you need the extra portability I'd recommend the M1 pro for 145kg rider

The shop said it would be fine and that 40% of their customers used 52v. Good as even when battery is depleted still had decent voltage they said.

So I'm converting a Tern folding bike to an e-bike by adding a BBS02 my typical need will be 2 3 or 4 mile trips a day but that would be mostly throttle, some hills nothing outrageous Will a 10ah battery (52v) give me enough range? Or should I go for 14.5ah? I'm trying to keep weight down...

you could go the BBS02 mid-drive route

thanks I might just try the 46 first and then look at lekkies if I need to go 52

thanks - he's charging £500 for just the motor though which is a little excessive

thanks - I am using this on a 20" folding bike hence the need for a 52T (I'm trying to make my own version of the Luna cycles mini since they don't ship that model outside the US) thanks for the links I've also found this UK site - anyone have any experience of them...

Looking at getting one of these motors but: don't want to wait more than a few days want either no battery or a small (10ah 48v) one want a 52T chainring want a decent colour display don't want to pay silly money (like more that about £420) Ebay doesn't seem to have 52T rings with the ones I...

bit more power I guess particularly when the battery isn't fully charged or cold

can the BBS02 be used with a 52v battery or does it have to be 48v??

thanks all!!

When using the throttle on these do the pedals stay locked and spin or is there a clutch so you can use the throttle and freewheel?

Press and hold the bottom button

you can unlock the maximum speed to about 32kmh easily. - I have one there's a good far book group for support too

brilliant - may I ask a few questions about it? where did you purchase from? had any issues with it? have you unlocked the top speed and if so how fast is it flat out? general thoughts on ownership so far? many thanks!