34 New bikes with Bosch system.....

eddieo

Banned
Jul 7, 2008
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34 New bikes with Bosch system.....

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The one to watch or what....
 

andyh2

Esteemed Pedelecer
Jan 8, 2008
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Have I missed something on here..... exploring that interesting link also shows a new Kalkhoff crank system which is made in Germany....
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And an electric bike mag;
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Unfortunately the google translation is quite hard to make sense to me!
 

indalo

Banned
Sep 13, 2009
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Herts & Spain
The one to watch or what....
What a fabulous array of ebikes Eddie! Other than your impressions, I have no idea of how well they go but they all look terrific, purposeful bikes and if they're as reliable as and go as well as the Panasonic bikes, I could easily be tempted.

I still can't get my head around Bosch doing motors to power ebikes as their stuff, green or the more expensive blue kit, has never impressed me in power tools. Okay for occasional DIY but not up to demanding site work every day of the week and that's not just my opinion; see how many tradesmen you can find who choose european equipment over oriental or American. Perhaps these motors are better quality.

Regards,
Indalo
 

NRG

Esteemed Pedelecer
Oct 6, 2009
2,592
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Yes, that is interesting. Things are looking good in the e-bike world with all these new bikes and systems coming on to the market. Seems Kalkhoff have taken some of the ideas of the Panasonic system and refined them, no small motor sprocket (like Bosch have done), progressive power down like the Panasonic, new coaster brake and also no drive until the wheels move allowing the rider to stand on the pedals and not engage the motor. Also theres something in the article about power delivery, Google translate didn't make it clear. Nice pics as well.

Translated article: Google Translate

Oh and the price, while expensive for many, isn't so bad when compared to competing bikes: 2000 ~ 2200 Euros
 
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eddieo

Banned
Jul 7, 2008
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interesting re kalkhoff...

" Many previous Pedelecs drive the performance abruptly shut just before reaching the maximum speed - from Pedelec drivers often "go against the wall" below. This problem will have solved Kalkhoff, in addition to the force is slowly lowered beyond a certain speed."

the Bosch also suffers from an abrupt cut off....While the Kalkhoff looks interesting, I wonder why they did not manage to get battery within triangle, shortening wheelbase further.....Also like to know what voltage it is
 

vhfman

Pedelecer
Oct 5, 2008
144
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The battery shown in the video was 11Ah and they showed 396Wh so it must be 36v. They also seemed to focus on the step through frame in the video. it would have been nice to see what a cross bar framed bike looked like on the road. Only saw them being spray painted, strangely by hand with a guy not wearing a mask.

Chris
 

NRG

Esteemed Pedelecer
Oct 6, 2009
2,592
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There's a picture of a cross bar version in the picture gallery of the article. I think the reason for the battery mount being the same is Kalkhoff seem to have retained the Panasonic battery connection scheme or something similar.

The Canondale bike looks neat as well and, dare I say it, gone for an 'alternative' battery mounting position :D



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flecc

Member
Oct 25, 2006
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That link and the further link at th top of the page both say 16 bikes with the Bosch system for 2011, not 34?

Tha Kalkhoff system certainly looks interesting, not cadence dependent, but I hope they could lose the coaster brake or it wouldn't sell here, or even most places outside Germany. Odd that there's yet another battery size on it, 11 Ah, their present ones being 8, 12 and 18 Ah.
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eddieo

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Jul 7, 2008
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34 models from 16 manufacturers, I have said re the 16 before but forgot on this occasion. Purpose of this thread was to show what kinda impact the Bosch system has had in a comparatively very short time.....
 

flecc

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Oct 25, 2006
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Understood Eddie, like the Panasonic the number of models is far larger than the number of manufacturers.

The Bosch system has certainly been taken up enthusiastically in Germany, it will be interesting to see if that will happen in other countries. BikeTec Flyer would seem an obvious one to be interested, though some might wait a while for any bugs to be sorted, these being inevitable in any new design.

The choice in Germany is getting bewildering now, and we thought our market was confusing!
 

eddieo

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Jul 7, 2008
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16 manafacturers in such a short time is an astonishing uptake, compared to the much lower uptake of Panasonic which has been around for years.....
 

flecc

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Oct 25, 2006
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Definitely, though I can understand the German home market being enthusiastic about a home grown product when they've only had half-asleep Heinzmann for so many years. It helps that they have such a large e-bike market too, plenty of room for new models.

Nothing more from Siemens and Telekunken though, and the Daum didn't appear on those pages, so perhaps even there it's becoming a saturated market.
 

lemmy

Esteemed Pedelecer
An innovation on the Kalkhoff that attracts me is the 'stand-by' mode. Very handy to be able to disengage the drive to save power but switch it back in instantly.

I ride with the power off quite a bit and it's a pain to find you need the powerand have to wait a couple of seconds after switching it on while the unit sets itself up. On a hill you can lose a lot of momentum in that time.
 

NRG

Esteemed Pedelecer
Oct 6, 2009
2,592
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That's strange Lemmy, on my PCS going from no assist to the first setting (Eco) is instantaneous.....perhaps they changed in MY2010....



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eddieo

Banned
Jul 7, 2008
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Jez...pedantic or what. There are 34 bosch powered bikes in the slide show?

The panasonics etc..are in addition to these along with others. including this KTM eGnition 1200 watt bike!


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Liang

Finding my (electric) wheels
May 6, 2011
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Odd that there's yet another battery size on it, 11 Ah, their present ones being 8, 12 and 18 Ah.
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That might have something to do with the fact that they used a motor made by Daum instead of the usual Panasonic motor.
 

flecc

Member
Oct 25, 2006
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Possibly, still odd though since even a base connection difference shouldn't prevent them using their own Derby-BMZ batteries as the do on all their Panasonic unit bikes now.
 

eddieo

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Jul 7, 2008
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