Another bbs01 post. Hope u can help.

[dankanish]

Hi There.. This is my first post..

So I got my bbs01 350w installed on my mtb with a 36v 8.8ah bottle battery from joycube (Samsung cells) so I am a 86kg rider and my rims are 26".. I can do 32.5kmh in pas 5 (my highest pas) in 8 gear. I would like to go a bit faster than that [emoji14] what can I do to obtain more speed? Oh and I don't have throttle only pas

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[dankanish]

Oh and the display is set to 40kmh

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[Fordulike]

You need to look at how your controller is programmed with one of these cables:

http://www.pedelecs.co.uk/forum/threads/bafang-programming-lead-for-bbs01-bbs02-and-bbshd.25337/

Then you will be able to establish if reprogramming the controller can help squeeze out a bit more speed.

 

[dankanish]

You need to look at how your controller is programmed with one of these cables:

http://www.pedelecs.co.uk/forum/threads/bafang-programming-lead-for-bbs01-bbs02-and-bbshd.25337/

Then you will be able to establish if reprogramming the controller can help squeeze out a bit more speed.

Thank you.. Will order a cable

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[Nealh]

Yep need a programming cable to look at the settings then from there you can decide on what needs tweaking. Post some screen shots of your settings on here for advice.
Reprogramaing tutorial; https://electricbike-blog.com/2015/06/26/a-hackers-guide-to-programming-the-bbs02/

 

[soundwave]

these are cheap if you can fix them
http://www.ebay.co.uk/itm/CUSTOM-8Fun-Bafang-Controller-48V-26A-BBS02-Motor-Mid-Drive-Ebike-Electric-Bike-/121833137565?hash=item1c5dd2259d:g:Wd8AAOSwcBhWY1lT

 

[dankanish]

But if I only use pas then he states: That is why the PAS settings are best left pretty much like they come from the factory, with gradually increasing speed and corresponding increases in current values too, as you go from steps 1 through to 9”

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[Fordulike]

But if I only use pas then he states: That is why the PAS settings are best left pretty much like they come from the factory, with gradually increasing speed and corresponding increases in current values too, as you go from steps 1 through to 9”

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There are other settings that affect the way the motor operates, such as the 'Keep Current' setting. If set too low, then the motor isn't fed enough current to sustain a higher speed.

As Nealh says, post some screen shots of your settings when you get the cable, and we can all help to see if you can tweak to improve your BBS01.

 

[dankanish]

Will put up a screenshot when I get the cable

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[brightonebikes]

I have a quantity of these cables available (with genuine Higo connector).


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[Nealh]

I made quite a few changes to mine after reading the tutorial a few times to help soften the stress on the controller at start up. Also from the factory the keep current was set to a low 20% and start current was set to the max 100%, the main tweaking of settings I carried out are in the basic tab for Limit current and Limit speed.
My original 350w controller blew after 2654 km as I used it with factory settings from day 1. The 250w replacement is now much better, the bike is faster and the assist is smoother and more progressive in each assist level.

 

[dankanish]

So I finally got my cable. But I don't fit my bikes cable.. The first picture is the cable going from the motor to the display. The second picture is the one I've got from ebay..

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[dankanish]

And my display is a sw-lcd

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[Nealh]

Your bbs wiring can't be original standard Bafang supplied equipment as that 5 pin connector is not standard.

 

[Fordulike]

Are you sure you haven't accidently disconnected the wrong end of the cable harness. You're after the green coloured plug at the end with the bunch of four cables.

 

[brightonebikes]

Doesn't look like Bafang (Higo) style connector as the above photo shows. Perhaps contact the vendor who you brought it from with the photos if you haven't already? Perhaps they send out wrong connector?