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£14.95 elsewhere on fleabay

It's not a bug, it's a feature!

I seem to have come full circle. The NuVinci is inefficient which is important when the motor is only 250w. The Nexus 8 is only marginally more efficient. Looks like I'm back to to a rear hub Bafang motor with derailleur gears!

So, the non automatic NuVinci is roughly midway between the automatic NuVinci and the Nexus 8?

Bogarts! A hole in my research. Thanks for that snippet.

I don't understand, I thought that with the NuVinci the rider set the cadence and the hub decided what ratio to use. i.e. automatic, so no rider gear changing is required. Do you mean changing the cadence while pedalling?

A lot of dealers do not stock all the models for a particular marque, particularly continental ones, so it can be difficult to try the ones you would wish to. The same applies to motorhomes so the electric bike industry is not alone.

What bikes use Brose?

Is your opinion of the power of the Panasonic motor based on published data or personal experience? Another bike on my (slightly longer) shortlist is the KTM Amparo XL 8-LL 648. Panasonic motor with a Nexus 8 hub...........and a huge battery.

They work but need frequent servicing.

Stated 70Nm vs 50Nm for the Bosch and ? for the Panasonic..........but.........there are those that say that torque is spurious. My head hurts!

Any idea how the Impulse 2 motor compares. The Impulse appears to provide the greatest torque.

The article that I read said, I think, that the restriction was due to government regulation. Probably got it wrong but it stuck in my mind.

Frame size, wheel size and weight limit.

The reason that I made the original post is that I read that the Bosch controller restricted the power supplied by the motor to be less than, or at the most equal to, the human input. I want to be able to continue going even if I start to flag going uphill. I'm not too worried about caning the...

I am looking for a step through bike that will get me up the local hills here in Torquay with a moderate amount of pedalling. That rules out the Rapide and the Tornado. The Sonata is fairly small and limited to 100kg, I am 6ft 1 1/2in tall and weigh 110kg, so no go there. My short list...

Would I be right in concluding that the use of a NuVinci hub will allow a higher ratio of human input power to machine input power than, say, a Nexus hub or derailleur gears? and why is the stated torque for a Bosch motor less for a NuVinci hub than derailleur gears? Finally, does anyone know...