I thought that there were no speed limits for bicycles. "Furious cycling" is prohibited though, whatever that is.

SW?

"Furious cycling" is prohibited though, whatever that is.

 

Possibly only applying when dressed in Victorian clothing appropriate to the 1861 year of that law.

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I thought that there were no speed limits for bicycles. "Furious cycling" is prohibited though, whatever that is.

 

Almost everywhere in the EU it is the same speed as for cars.

 

On the other side of the Basque Country in Irun center bikes are limited to 30 km/h just like cars and I must admit to having been a little over that limit from time to time. In S. Sebastian cycle paths have 5 and 10 km/h limits in zones with lots of pedestrians.

 

In Lyon a guy with a vélomobile was condemned to a rather large fine because there was a speed camera (50 km/h) on his way in to work and he triggered it just about everyday until the police got bored and waited for him one morning.

In my opinion, 18 mph is the 'sweet spot' and plenty fast enough, without turning too many heads.

 

For me too, also not the problems with eye watering in cold air that higher speeds on a bike can bring.

 

I've always thought 18 mph a much better assist limit cutoff speed.

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Almost everywhere in the EU it is the same speed as for cars.

 

But not in Britain due to an accidental loophole. Our highway speed limits have always been written into the Road Traffic Acts which only apply to defined motor vehicles.

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I like 33-35 km/h. I tried 45 km/h and it is too stressful watching out for cars who think you are only doing 15 km/h...

 

Those kind of speeds also don't do your range much good.

But not in Britain due to an accidental loophole. Our highway speed limits have always been written into the Road Traffic Acts which only apply to defined motor vehicles.

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Although there are some private road with public access, for example royal parks, where the speed limit rules specifically include cycles, and since many of them are 20 mph, it's far from being only a theoretical issue.

 

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Getting back to propper money.. on down gradients and wirh a decent tail wind I can peddle mine up to 40mph.

This is fine on a nice smooth road with not much traffic, but the pot holes and grates appear alarmingly fast if you let your attention wander.

I like 33-35 km/h.

 

When a bike can be tweaked to it, luckily we can legally have 17 mph assist cutoff in the UK. That's because we have a universal speed limit tolerance of 10%, this confirmed for e-bikes by the DfT.

 

25 kph + 10% = 27.5 kph = 17.1 mph

 

Given the police equipment can't accurately measure such low speeds on bikes, we can probably stretch that a bit more without risk.

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When a bike can be tweaked to it, luckily we can legally have 17 mph assist cutoff in the UK. That's because we have a universal speed limit tolerance of 10%, this confirmed for e-bikes by the DfT.

 

25 kph + 10% = 27.5 kph = 17.1 mph

 

Given the police equipment can't accurately measure such low speeds on bikes, we can probably stretch that a bit more without risk.

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This would be great if it was easy to do...

Getting back to propper money.. on down gradients and wirh a decent tail wind I can peddle mine up to 40mph.

This is fine on a nice smooth road with not much traffic, but the pot holes and grates appear alarmingly fast if you let your attention wander.

 

I hear you! I have to keep reminding myself "don't look at the fabulous scenery you stupid old fool!" Had a couple of near misses these last weeks at speeds over 35 km/h

Although there are some private road with public access, for example royal parks, where the speed limit rules specifically include cycles, and since many of them are 20 mph, it's far from being only a theoretical issue.

 

But they are not highway speed limits as I posted. They are akin to private land laws as you say. Some of those are even slower, I think the Brighton seafront limit is 10 mph and even 5 mph isn't unknown in some places.

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This would be great if it was easy to do...

 

We used to have some that were accommodating. Some Wisper models when derestricted were freed to 18 mph assist, and some Impulse powered Kalkhoffs had about 17 mph assist as standard according to owners.

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1000w bike

 

https://www.youtube.com/watch?v=D0CGnXsJhxw

 

 

250w oxydrive kit, LCD adjustable speed limit bike

 

https://www.youtube.com/watch?v=Ljw1EAusNwA

 

I much prefer the 250w for peace of mind and now only use the bigger motor off road. Shorter braking distance too.

 

https://www.youtube.com/watch?v=12HIh1V4mNU

 

In my opinion, 18 mph is the 'sweet spot' and plenty fast enough, without turning too many heads.

 

Thank you LeighPing for taking the time out at showing us the comparison between sudden stopping and speed safety limits.

It was also wise of you by using the pole as a precise marking point.

 

MS.

For me too, also not the problems with eye watering in cold air that higher speeds on a bike can bring.

 

I've always thought 18 mph a much better assist limit cutoff speed.

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I double agree to that!

 

MS.

Getting back to propper money.. on down gradients and wirh a decent tail wind I can peddle mine up to 40mph.

This is fine on a nice smooth road with not much traffic, but the pot holes and grates appear alarmingly fast if you let your attention wander.

In the days before my knees gave out, I remember seeing about 35 mph on the speedo of my dawes galaxy (not an ebike) on downhills. Dread to think what would have happened if I'd need to stop quickly, those Weinmann centre-pull brakes weren't particularly good.

 

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When a bike can be tweaked to it, luckily we can legally have 17 mph assist cutoff in the UK. That's because we have a universal speed limit tolerance of 10%, this confirmed for e-bikes by the DfT.

 

25 kph + 10% = 27.5 kph = 17.1 mph

 

Given the police equipment can't accurately measure such low speeds on bikes, we can probably stretch that a bit more without risk.

.

My Motus with the Bosch system gives full assist up to 25km and then tapers downwards so that there is no assist above 27.0km . These numbers are based on the speedometer on the intuvia display.The estimate of assist is the number of bars shown on the barometer.

My Motus with the Bosch system gives full assist up to 25km and then tapers downwards so that there is no assist above 27.0km . These numbers are based on the speedometer on the intuvia display.The estimate of assist is the number of bars shown on the barometer.

 

My controller* set to "strong assist" mode in the advanced settings does something similar. It depends on the cadence it seems.

 

* the one in my signature

I thought that there were no speed limits for bicycles. "Furious cycling" is prohibited though, whatever that is.

 

Better still d8veh, you had forgotten to add these two words "Fast and" before Furious.

 

MS.

My Motus with the Bosch system gives full assist up to 25km and then tapers downwards so that there is no assist above 27.0km . These numbers are based on the speedometer on the intuvia display.The estimate of assist is the number of bars shown on the barometer.

 

Interesting, assist speed in a slight variant of the regulation which specifies the power should tail off as it approaches the 25 kph assist limit.

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Interesting, assist speed in a slight variant of the regulation which specifies the power should tail off as it approaches the 25 kph assist limit.

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It seems incredible that words like that got in to a European standard. What does that mean? Which gear should it do it in? At what speed should it start reducing? What should be the rate of decline? How should it be measured?

It seems incredible that words like that got in to a European standard. What does that mean? Which gear should it do it in? At what speed should it start reducing? What should be the rate of decline? How should it be measured?

 

You're absolutely right Dave. The EU followed only the outlines of Japanese law, which in detail did precisely define the speed of commencement and rate of decline of power.

 

But the EU left that completely open, only specifying that power should reduce as it approached the cutoff point. Here's the relevant extract:

 

- - - - where the output of the motor is cut off when the cyclist stops pedalling and is otherwise progressively reduced and finally cut off before the vehicle speed reaches 25 km/h;

 

As a result many makers have completely ignored this requirement.

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My old bosh classic in turbo went strait up to 17mph and then just stopped. My newer bosch CX starts to give up just before 15 and the yamaha also pushes up to 17. Speeds are taken using a GPS device not the relevant speedometer..

27.5 km/hr is the absolute real maximum before you can be prosecuted, which is 17.088 mph.

But that's only the limit for assistance. There's no limit if you're using leg power, and they'd have to prove that you weren't. Easy-ish if you're doing 30, but much harder at 20.

 

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