Hub v Mid (crank drive) anyone tried both ?

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Dadam

Über Member
Location
SW Leeds
I sometimes switch between a Carerra rear hub drive and my wife's Bosch mid drive.
Personally I don't like the Bosch, it gives no feedback, you do at times wonder if it's actually working its that passive in feel. Some people will.like that of course.

The hub drive, you feel it, you feel the acceleration, the kick, it just a personal thing, I like that.

Chain wear ? I believe (with simple unproven logic) a mid drive will wear the chain quicker, its pulling a chain that's already under tension with some considerable force.
Hub drive pushes the wheel forward itself and the chain above should experience no more force than normal.

Rear hub driver for me every time...but its a very personal thing.

That must be just programming on the controller. It's the opposite for me. The Cube Reaction with the Bosch drive gives a real kick on the higher assist levels. The Orbea is much more subdued, but it's obviously a much less torquey motor. The Woosh conversion I ran for a while on my Giant hybrid did give a decent kick as it was very much an on/off ghost pedal kind of deal.
 
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PaulM

Guru
Location
Portsmouth, UK
Hub drives don't like going slowly uphill under load. It's more efficient to increase the power setting and speed up. With a hub drive you are free to have a double or triple crankset. I've not owned a mid-drive. I worry about the complexity and the 2-year warranty periond.
 
I sometimes switch between a Carerra rear hub drive and my wife's Bosch mid drive.
Personally I don't like the Bosch, it gives no feedback, you do at times wonder if it's actually working its that passive in feel. Some people will.like that of course.

The hub drive, you feel it, you feel the acceleration, the kick, it just a personal thing, I like that.

Chain wear ? I believe (with simple unproven logic) a mid drive will wear the chain quicker, its pulling a chain that's already under tension with some considerable force.
Hub drive pushes the wheel forward itself and the chain above should experience no more force than normal.

Rear hub driver for me every time...but its a very personal thing.

I can see your point

but I do not really like the kick from the rear hub when they kick in
it doesn't feel natural
when the Bosch kicks in you can;t really feel it so it feel like it is just you - I pedal harder and it increases a bit but it still feels like i am in control

I have frequently had to check if it is actually switched on or not as it is so smooth

during the summer I often come across walker on narrow bits of path and switch
 
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CXRAndy

Guru
Location
Lincs
I've not ridden hub drive motors but I have ridden both speed cadence motors and torque sensing. Cadence feels a bit disconnected, as long as you are turning pedals the power is there. Torque sensing feels more natural in it's delivery, a multiplier of the effort you're prepared to put in yourself.

If you want to go flat out on a cadence sensor, full assist and just pedal normally. Torque sensing requires a full on effort to make the motor deliver it's full power
 
I've not ridden hub drive motors but I have ridden both speed cadence motors and torque sensing. Cadence feels a bit disconnected, as long as you are turning pedals the power is there. Torque sensing feels more natural in it's delivery, a multiplier of the effort you're prepared to put in yourself.

If you want to go flat out on a cadence sensor, full assist and just pedal normally. Torque sensing requires a full on effort to make the motor deliver it's full power

That made me wonder about my Bosch system as I have never checked what it is
(I didn;t choose to buy it - Raleigh gave it to me when my other ebike from them broke - they were very good about it all!)

anyway turns out that Bosch system have a combination of Torque, Cadence and speed sensing
which makes sense
 

CXRAndy

Guru
Location
Lincs
My Bafang has two drive options, which I can toggle, torque sensing, where like I've said I need to put in a fair amount of effort to get maximum performance and cadence'sports' mode where I just turn the pedals and the bike just goes to maximum performance for little effort.

My wifes Tongscheng is torque only, it is far superior in how quiet it is compared to my Bafang
 
My Bafang has two drive options, which I can toggle, torque sensing, where like I've said I need to put in a fair amount of effort to get maximum performance and cadence'sports' mode where I just turn the pedals and the bike just goes to maximum performance for little effort.

My wifes Tongscheng is torque only, it is far superior in how quiet it is compared to my Bafang

So makes do things their own way?

which is interesting as I have never really looked at it as I have had fairly basic hub drives
and then got landed with Bosch and found I like how it works

Basically - when I have been looking to buy something there has not been as much into around as there is now so I just based it on what I found

the first one was basically an on off system - if you were pedalling it was on - other wise off
keeping it below about 13 mph was actually quite difficult - but that was about 2010
 

CXRAndy

Guru
Location
Lincs
I've ridden some Bosch motors on rental emtb bikes. They were nice, smooth, and plenty of torque. Frustrating the power died away at 15mph.

I've ridden chipped bosch too, that was a much nicer experience, aiding pedalling upto its maximum, I was going flat out to get it to stay at those speeds.

It was satisfying ride around 15-20mph with a little bit of assistance
 
I've ridden some Bosch motors on rental emtb bikes. They were nice, smooth, and plenty of torque. Frustrating the power died away at 15mph.

I've ridden chipped bosch too, that was a much nicer experience, aiding pedalling upto its maximum, I was going flat out to get it to stay at those speeds.

It was satisfying ride around 15-20mph with a little bit of assistance

Yes - but at 15 mph the power has to stop legally in the UK

The chipped Bosch that you mention is a moped if you ride it on a public road
 
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