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Cheers. Got a trip to France planned soon. Trying to get bike sorted to take with me...proving a bit difficult. Sizes in stock etc.. Good luck with cubes.

Because the torque for mid drive motors is taken at the chain ring, which is subject to the maximum reduction/ minimum rotational speed.( therafter the torque would decrease, ie back wheel spins quicker than chain ring) Just google electrical motors and look at their torque curves.( shaft power...

It might be. Most ebike motors can pull away from rest without slipping a clutch (which they don't have). Can a Fireblade? Of course the Fireblade has vastly more power, but torque and power are not the same thing. Electric motors are capable of producing torque from zero revs,ICE engines cant...

I hear what you are saying but last week I did 35 miles around Lady Bower, enjoyed it. Never did more than 15 mph ( think tracks are subject to 10mph (sign saying so in some) That's about double distance I,d normally do with similar effort levels. Yes would love to go around same course on an...

??? Well what's dongle doing if bike still cuts power at 25 kmh and power is no higher ??? Not much ??

Good post. I,ll study it a bit before answering. Thought about it...sort of... So we are saying that this 250w limit is flexible to 750w on hills?? For going up ...Well first of all I,m not sure about that but I,ll accept point but bike has no clue its going uphill. It senses resistance to...

flecc That's no doubt all the case but fact remains a pedelec stops being a pedelec with only minor modifications. Its exactly same with 12bhp law for 125 learner legal mc. Kids mess about with them thinking all fine . They are no more within law than riding 250 or bigger. As its going, with...

We are actually agreeing with one another over power , 250 W is 250 W..agreed. On speed issue not too sure ,its a grey area. Issue started over dongle and once fitted bike is not a pedelec. Seems folk quote laws but go ahead and ignore them. Mopeds are limited to 20 mph ..end of. You go...

Yes I noticed that and thought it strange. I,d be interested to know where exactly the torque measurements are taken. Both figures are absurdly high for electric motors and suspect figures are well down drive train ??? Folk tend to forget torque available at back wheel is multiplied by overall...

Thanks for help with the Law. The 500 w capable motor is labelled as 250 nominal at a certain voltage ( ie the one used on bike) Manufacturer is merely stating that motor is capable of handling higher voltage ,and hence capable of 500w when doing so. It does not mean the motor is either using...

Been mountain biking I,d guess 30 years or so,my first decent bike was first gen GT Timberline, no doubt somebody can put a date on that. No great revelation but there always has been a bit of looking down on ebikes by mtb fraternity..think its diminishing, and to be fair upto a couple of years...

I,l let you do that... I wont be fitting one,but reckon you,d guesssed that. Take care.

Well t Well that's all fine but folk should realise that in doing all that you are breaking the law. The 15.5 mph limit is exactly that for any ebike, power cut or not. Your dongle is just making it easier to prove your guilt. I don't understand folks thinking on this. Your pulse modifier is...

Well you can safely break law then. Like I said earlier..where do you draw line. Just supposing you are involved in an accident of some kind, do you really think mr plod and insurance companies couldn't look on this forum, examine your track records and find the dongle you,ve just tried to...

Its illegal then.

Well errrr....Firstly I suspect Bosch can tell a signal interrupter has been used but that's not the point at all. What you are suggesting is its ok to break law if not caught ?? Well, upto a point perhaps, but does that apply to oap,s around Hatten Gardens ? You could argue its fine to fit 500...

Might sound a bit old fuddy duddy here but once you fit a dongle you might aswell just ride around on an uninsured, untaxed,unregistered fireblade . You,d go way faster and still only be breaking same laws ???

Really like look of these and would like to try one. Anybody any feedback or first hand knowledge.

Fair point but 90% of my riding is hard trails so don't think it will be an issue. I,d have thought you could start in eco mode ( think it gives 50%) then move up.Besides 100 k of lardass on backwheel should help cure traction. Ordered Haibike S Enduro SL !!! Can have it on 14 day approval..

That's a very good point. Suppose to check out total change in efficiency ( rider and bike) you,d have to study lots of different rider weights and fitness levels. Taking my limited efficiency might be better going for efficient bike ??? Errr or would I...???