January 7, 20179 yr I have just built a BBS02b into a hardtail Kona. The motor is exactly as it left the factory, with 3 power levels. The motor pulls well enough but the take up is very abrupt, both from a standstill & after stopping pedalling. I previously had a GSM motor which was much smoother but less powerful. Is this normal & if so can it be smoothed out by reprogramming the motor? Steve
January 7, 20179 yr I have just built a BBS02b into a hardtail Kona. The motor is exactly as it left the factory, with 3 power levels. The motor pulls well enough but the take up is very abrupt, both from a standstill & after stopping pedalling. I previously had a GSM motor which was much smoother but less powerful. Is this normal & if so can it be smoothed out by reprogramming the motor? Which is why I chose the GSM with external controller. At one point I was running 18 Amps - 740 Watts battery hot off the charger. Now I find 16-17 Amps is plenty. Yes you can reprogram your BBS02 to make it smoother and have up to 9 levels depending on your LCD.
January 7, 20179 yr Author I haven't made any adjustments yet, I will set it to 9 power levels & see if that makes any difference. As it is now I don't think chains are going to last very long. Steve
January 7, 20179 yr It's the way it's been programmed. you can change it completely to make the take-up much softer. I can't remember what parameter it is as I haven't done one for a while. Perhaps somebody else with a better memory can chip in.
January 7, 20179 yr Once you get into the programming software, go to the Pedal Assist page. From there, changing Slow Start Mode (1-8) to a lower value will result in a slower ramp up. Also changing Start Current (%) to a low value will result in a smoother take off. Edited January 7, 20179 yr by Fordulike
January 7, 20179 yr The `Start Current%` needs to be pulled back a bit. Go here and have a read--> https://electricbike-blog.com/2015/06/26/a-hackers-guide-to-programming-the-bbs02/ get yourself a programming cable and try some of the downloads on that page. or alter the parameters yourself, but be very careful, you can easily blow the controller.
January 8, 20179 yr Author Thanks for the advice. I would like to reprogram it but I'm a total numpty with a computer. I am based in Burnley. Is there anyone within a 50 or 60 mile radius with the equipment & experience to do the job if I brought the bike to you & crossed your palm with plastic £5 notes? Steve
January 9, 20179 yr Thanks for the advice. I would like to reprogram it but I'm a total numpty with a computer. I am based in Burnley. Is there anyone within a 50 or 60 mile radius with the equipment & experience to do the job if I brought the bike to you & crossed your palm with plastic £5 notes? Steve I'm in Stockport area and will do it for a beer if it's any good to you:)
January 9, 20179 yr Author Thanks Steve I'll take you up on that. How do I get in touch with you? Steve
January 9, 20179 yr Thanks Steve I'll take you up on that. How do I get in touch with you Just pm'd you Steve:)
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