Most Trusted Suppliers - BBS02

1boris

Esteemed Pedelecer
Sep 10, 2013
343
58
The BBS02 250 and 350 W are identical. The controller is set at the factory to different A values. The 350 W also exists in a 48 V version which is a de-tuned 500 W version IIRC. The 500 W motor weighs about 500 g more so most likely contains more copper winding.

Now if you want to be confused... The BBS02 controller can be programmed to 18, 20 or 25 A which means you can have 250, 350 and 500 W versions of the same motor. Until recently there was one on the market, a 250 W stamped de-tuned BBS02 500 W motor.

Other than extra copper wire in the heavier 500 W motor they are identical and cost the same to manufacture. Price difference between a 250 W and 350 W motor are purely marketing differences - if it is more powerful it should cost more... ;)

A BBS02 250 W reprogrammed to 25 Amps will be more prone to overheating if abused than the 500 W version at 25 A.
Why do you think it will be moore prone to overheating when it is the same motor?????
 

Fordulike

Esteemed Pedelecer
Feb 26, 2010
3,802
1,537
Why do you think it will be moore prone to overheating when it is the same motor?????
I think we're all getting a bit confused with this BBSO1/BBS02 business. As far as I see it, the latest motors are as follows:

BBS01 motor with 36v controller
BBS02 motor with choice of 36v or 48v controller
BBSHD with 48v controller

If, for example, a vendor quotes a 36v BBS02 as a 250w version, then it's just the same as a 500w version, electrically and mechanically, but detuned via software programming. The 48v version may have a slightly different stator winding to the 36v, but this is just to change the motors RPM to offset the different voltage. Probably to keep the cadence similar between the two voltages.

Apart from the 250w BBS01, all the others aren't technically legal anyway, so why not just plump for either a 36v 500w or 48v 750w BBS02 and program it just the way you like it.

Here is an example of a BBS02 500w kit, which is basically a 750w version detuned to 500w. The motor and controller is exactly the same in both units!

http://eclipsebikes.com/product_info.php?products_id=5

Note: posted at silly o'clock in the morning, so may contain technical errors :confused:
 
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Reactions: anotherkiwi

1boris

Esteemed Pedelecer
Sep 10, 2013
343
58
I think we're all getting a bit confused with this BBSO1/BBS02 business. As far as I see it, the latest motors are as follows:

BBS01 motor with 36v controller
BBS02 motor with choice of 36v or 48v controller
BBSHD with 48v controller

If, for example, a vendor quotes a 36v BBS02 as a 250w version, then it's just the same as a 500w version, electrically and mechanically, but detuned via software programming. The 48v version may have a slightly different stator winding to the 36v, but this is just to change the motors RPM to offset the different voltage. Probably to keep the cadence similar between the two voltages.

Apart from the 250w BBS01, all the others aren't technically legal anyway, so why not just plump for either a 36v 500w or 48v 750w BBS02 and program it just the way you like it.

Here is an example of a BBS02 500w kit, which is basically a 750w version detuned to 500w. The motor and controller is exactly the same in both units!

http://eclipsebikes.com/product_info.php?products_id=5

Note: posted at silly o'clock in the morning, so may contain technical errors :confused:
Why arent the bbs02 250w legal when Bafang has rated it as a 250w motor?
 

Fordulike

Esteemed Pedelecer
Feb 26, 2010
3,802
1,537
Why arent the bbs02 250w legal when Bafang has rated it as a 250w motor?
Maybe someone else can clarify this, but I don't think Bafang has rated them as 250w, it's just vendors detuning them and slapping a 250w sticker on them.

It's a kind of pull the wool over the law's eyes thing I guess.

As far as I know, the BBS01 is currently the only version that Bafang has rated as legally 250w, which could be backed up in the manufacturer's specs if the law were to dig about.
 

1boris

Esteemed Pedelecer
Sep 10, 2013
343
58
el39.jpg
Maybe someone else can clarify this, but I don't think Bafang has rated them as 250w, it's just vendors detuning them and slapping a 250w sticker on them.

It's a kind of pull the wool over the law's eyes thing I guess.

As far as I know, the BBS01 is currently the only version that Bafang has rated as legally 250w, which could be backed up in the manufacturer's specs if the law were to dig about.
I personally have 2 orginal bbs02 250w with a 25 a controller orginally.There are some vendors selling them and the they are marked by Bafang just like the bbs01.Dont know why you say things like they are facts when you really dont have a clue
 
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Fordulike

Esteemed Pedelecer
Feb 26, 2010
3,802
1,537
View attachment 20982
I personally have 2 orginal bbs02 250w with a 25 a controller orginally.There are some vendors selling them and the they are marked by Bafang just like the bbs01.Dont know why you say things like they are facts when you really dont have a clue
Yer totally right, I'll eat humble pie and bow out ;)
 

vandalbulldog

Pedelecer
Aug 23, 2017
70
18
49
Bingley
the BBS02B costs 8% more than the BBS01B. We reflect that difference in the selling price. For clarity, both are sourced directly from Bafang, same with spares, we don't reprogram the motors. The BBS02B motor core is slightly larger and heavier.
BBS01B: 3.8kgs
BBS02B: 4.2kgs



Do you have different bundled battery options with the bbs02b 500w Woosh?

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Woosh

Trade Member
May 19, 2012
19,532
16,469
Southend on Sea
wooshbikes.co.uk

vandalbulldog

Pedelecer
Aug 23, 2017
70
18
49
Bingley
only two, BBS02B 36V 25A 500W with 15AH battery and 17AH battery.
The difference is £50. We don't recommend to use the BBS02B with 13AH battery, you may overheat the battery.

http://wooshbikes.co.uk/cart/#/product/uid-141-bbs02b-25a-15ah/bbs02b-cd-kit-36v-25a-500w-with-15ah-hl-battery

17AH version:

http://wooshbikes.co.uk/cart/#/product/uid-179-bbs02-25a-17ah/bbs02b-cd-kit-36v-25a-500w-with-17ah-hl-battery
Many thanks Woosh.

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vandalbulldog

Pedelecer
Aug 23, 2017
70
18
49
Bingley
only two, BBS02B 36V 25A 500W with 15AH battery and 17AH battery.
The difference is £50. We don't recommend to use the BBS02B with 13AH battery, you may overheat the battery.

http://wooshbikes.co.uk/cart/#/product/uid-141-bbs02b-25a-15ah/bbs02b-cd-kit-36v-25a-500w-with-15ah-hl-battery

17AH version:

http://wooshbikes.co.uk/cart/#/product/uid-179-bbs02-25a-17ah/bbs02b-cd-kit-36v-25a-500w-with-17ah-hl-battery
Hi Woosh. I'd totally missed the GSM option on your site. How is this fairing against the bbs02b? It looks like great value or is it too good to be true?

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Woosh

Trade Member
May 19, 2012
19,532
16,469
Southend on Sea
wooshbikes.co.uk
Hi Woosh. I'd totally missed the GSM option on your site. How is this fairing against the bbs02b? It looks like great value or is it too good to be true?

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the GSM is comparable to the BBS01B in terms of power. There is one version that I am fond of, the one that works with an external controller.
Currently is on very low stock level.
 

vandalbulldog

Pedelecer
Aug 23, 2017
70
18
49
Bingley
the GSM is comparable to the BBS01B in terms of power. There is one version that I am fond of, the one that works with an external controller.
Currently is on very low stock level.
Can you let me have a price please?

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Woosh

Trade Member
May 19, 2012
19,532
16,469
Southend on Sea
wooshbikes.co.uk
I am out of GSM with 18A internal controller, those equivalent to Bafang BBS01B. I'll get a new batch of BBS01B beginning of October, but no more GSM until next Feb.
I can only offer BBS02B and hub kits at the moment.
 

vandalbulldog

Pedelecer
Aug 23, 2017
70
18
49
Bingley
I am out of GSM with 18A internal controller, those equivalent to Bafang BBS01B. I'll get a new batch of BBS01B beginning of October, but no more GSM until next Feb.
I can only offer BBS02B and hub kits at the moment.
No problem at all. Back to saving the last few pence for a bbs02b then!!!

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