The Bosch drive system

tillson

Esteemed Pedelecer
May 29, 2008
5,252
3,197
The motor casing looks a bit vulnerable in that picture. It appears to be lower than the chain wheel which gives the impression that it is very exposed to taking a knock. I can't remember if my Panasonic motor is the same, I'll have to take a look. Maybe all the plastic around the Panasonic hides it a bit from the same scrutiny.
 

flecc

Member
Oct 25, 2006
53,264
30,652
The motor casing looks a bit vulnerable in that picture. It appears to be lower than the chain wheel which gives the impression that it is very exposed to taking a knock. I can't remember if my Panasonic motor is the same, I'll have to take a look. Maybe all the plastic around the Panasonic hides it a bit from the same scrutiny.
The Panasonic is roughly at the same level as you can see below, and all the bikes using it that I've seen have been designed for good ground clearance:

 

NRG

Esteemed Pedelecer
Oct 6, 2009
2,592
10
I'm suspicious of the quoted weight of that bike Eddie, I suspect its without batery...
 
Apr 19, 2011
211
27
People, ebikes, & how not to start a transport revolution

My local bike shop charges £80 for a full service> So £199 which includes 2 services and they come to you dont seem to bad to me...unless it has to be within 12 months
Hi Eddieo,
Justebike's Silver service is only valid for 12 months I'm afraid. So far it has proved popular - but its not there for the likes of you and me!

My aim here is not for early retirement but to start a transport revolution. Last year, working with 8 major UK employers, we studied the commuting habits of 43'000 workers (mixed public and private sector), 9'445 (22%) drive a car to work each day and live within 5 miles of their place of work.

The gross financial benefit of switching this group of commuters from car to ebike-based travel is £25.6 million per annum, or £2,710 per year per electrocyclist. If applied to the 22% of UK workers that commute by car and live within 5 miles of workplace gross annual savings would be £17 billion pa. (assuming our sample of 43'000 is indicative of wider national commuter habits).

There are three beneficiary groups to wide scale adoption of e-bikes, these are:
 The State (Government, its agencies, and Local Area Authorities)
 The employer
 The employee

Savings by beneficiary groups are:
 State: 4.9bn
 Employers: 4.6bn
 Employees: 7.8bn

The environmental benefits are 3.9MtCo2e/pa (more or less what the entire NHS transport related emissions were in 2008).

Depending who you ask between 2.7 and 3.2% of the UK population use a manual bike regularly (160 trips of 3.9km per annum (don't ask!)). There are many reasons for this so I wont bore you with details of our views on it here, but one thing we know with a capital K is that if folk are going to be persuaded to leave their dear motorcars at home and choose e-bikes for those shorter journeys (car are great...for car journeys) they need a fuss-free alternative. Here's my point: Fuss-free costs £199 per annum.

Over time (when i have the time!) I'd like to share more of our research and understanding of this new and exciting market and the dynamics that will likely govern its trajectory. If we all work together (suppliers and knowledgeable users), I'm certain we will see e-bikes become mainstream. I've seen many false horizons over the last 6 years in trying to bring this vision to fruition, a notable low point being my taking Gordon Brown at his word following talks with him last year (part of which was broadcast on R4). Subsequent meetings with DECC at Whitehall and late night phone calls from No.10 led to naught.... they eventually got it but got fired before anything tangible came of it all. New irons in new fires now so still optimistic.

Wots my biggest fear in all this? Cheap e-bikes....

2017
"Hi John, whats that rusting behind your lawnmower back there?

"Oh that, its one of those electric bikes, do you remember that fad Sue?

"Yeah, wot happened to those? it seemed like such a good idea.... every one had one...

"Dunno, but they all just fell to bits, and you couldn't get parts, and they weren't exactly cool were they, and....

James
 
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eddieo

Banned
Jul 7, 2008
5,070
6
Some new Bosch powered Bikes appearing on the market in Europe...The Alfina hub gears seem a good fit with this system. Some with Alfina 8 appear to be available now but the alfina 11 seems to be in short supply.

Merida have a range Bosch bikes from around £2000 with a choice of dérailleur or Alfina hub

Stevens have a few nice bikes as well with the top of the range Carpo (20kg - nuvinci hub) for 2200 euro (approx £1900) I think this is looking the best bet and best value! at the moment....

Stevens Carpo


Centurion are getting decent reviews in Germany and have Bosch bikes from around £2000 as well

Google Translate


then there is the KTM, Victoria Le Mans etc.... apparently no less then 16 manufacturers have bikes coming out with this system. When they appear over here is anyone's guess:confused:
 
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eddieo

Banned
Jul 7, 2008
5,070
6
I have emailed 2 Stevens dealers...one in Belgium the other Germany...Nothing back yet

Just wondering when some more of these bosch bikes will appear over here:confused:
 

eTim

Esteemed Pedelecer
Nov 19, 2009
607
2
Andover, Hants.
I have emailed 2 Stevens dealers...one in Belgium the other Germany...Nothing back yet

Just wondering when some more of these bosch bikes will appear over here:confused:
I've heard that some particular bikes are selling out fast (Haibike eQ xDuro FS being one), so if you haven't got one yet, you might have to wait until 2012!
 

eddieo

Banned
Jul 7, 2008
5,070
6
I've heard that some particular bikes are selling out fast (Haibike eQ xDuro FS being one), so if you haven't got one yet, you might have to wait until 2012!
You could well be right these drives seem to be in short supply......Most have not even become widely available yet, let alone running out...

I know the Haibike is avaible but it's to expensive for me I think....The Stevens with nuvinci hub at £1900 seems better value. but maybe I should wait till next year when the Mark 2 version arrives and bugs have been ironed out. There is even rumblings of bigger batterys and an "S" version
 

eTim

Esteemed Pedelecer
Nov 19, 2009
607
2
Andover, Hants.
There is even rumblings of bigger batterys and an "S" version
Those pesky Germans would have to be talking upgrades already wouldn't they, next they'll be talking about more sophisticated electronics, charging in under an hour and a simplified assistance model on the new handlebar computer control that will also take your pulse and tell you to stop and have tea & cake before you even know you need a break!
 
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Apr 19, 2011
211
27
Those pesky Germans would have to be talking upgrades already wouldn't they, next they'll be talking about more sophisticated electronics, charging in under an hour and a simplified assistance model on the new handlebar computer control that will also take your pulse and tell you to stop and have tea & cake before you even know you need a break!
A 1997 Porsche Boxter is still a fantastic piece of engineering and a sublime drive. Its owner has not wept for lack of latest in cam profile design - he's been to busy ragging it within an inch of its and his life for the last 14 years!
 
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