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If you have 29" wheels but change the wheel size to 26", you could reasonably argue that for off roading you find 26" wheels easier to ride. Not sure if you could make a case for reducing the wheel size any more though.

You might well be right but I wonder how Bosch do this, here are a few examples of how difficult this would be to do. Lets assume we have told the Bosch software that we are using a 26" wheel but in reality we have a 29" wheel fitted. Lets assume we are traveling along at 16.8 mph (indicated...

If you agree to Nuke France I'm pretty sure Tilison would stump up a million quid.

Using 20 inches as you wheel size (but really using 29 inch wheels) gives a true speed of 24.36 mph when the speed is reading 16.8 mph. This all seems a little bit too easy to me, surely if it was this simple then there would not be such a big market in dongles. I must be missing something...

I see WavyDavy has used a ratio of the two wheel sizes to work out the new speeds if this is correct then a reading on speedo of 16.8 mph would actually mean your doing 18.738 mph is this method correct?

Yes this is how I understand it too, do you have any idea Nealh what the true speed would be in this situation?

Yes I agree I can't see how it would know, unless it does something like compare the speed sensed using the magnet with say the speed provided by a GPS system and I cant see Bosch going to the expense of doing that. I suspect if you are using 29 inch wheels but input into the system you are...

I was reading a thread on here the other day and it showed that Bosch allow bike shops to change wheel size in their software so this got me to think about a couple of things namely. 1. If the software is currently set up for 29 inch wheels and its changed to 26 inch wheels (but you don't...

Just four years ago annual car sales surged to 2.63m. Car production was heading back to levels not seen for decades, I wonder how many we will be making in say another 4 years. More on this here...

Scottish Power is to undertake the most ambitious battery power project in Europe. https://www.theguardian.com/environment/2019/jun/10/scottish-power-build-vast-battery-improve-wind-energy

When I have had new tyres fitted to motorcycles in the past I have always been told to take it easy on them for the first 80 to 100 miles or so, especially in the rain, so perhaps its the same for bicycle tyres but the bedding in period would be a lot less I would think.

Rory Stewart did a phone in on Radio 4 lunch time (first one ever for the Radio 4 lunch time programme). He was really good, head and shoulders above any other candidate in the leadership race. Too bad he has no chance of winning as his answers were clear, logical and believable. If tory MPs...

I did well over 3000 miles on my Smart Sams never had a problem. I wont go out when its raining or the roads soaking wet, but living in the UK I have been caught out in the rain many times. I found the Smart Sams a good all round tire. I now have marathon pluses fitted for the puncture...

No idea what you mean by scare stories. From what I have read on here and other sites is that you are extremely unlikely to be prosecuted for using an illegal bike. If however you use an illegal bike and are involved in a serious accident where bad injuries or worse occur then people need to...

Sounds like he was lucky or depends what area you live in. A mate of mine is a RTA investigator with the local police force. He warned me not to doctor my bike because if I am involved in an accident they absolutely will check to ensure it has not been altered.

Yes your right, I made a post on this a few days ago. I think we are getting to the point where no one will believe anything they don't want to believe no matter what facts are presented to them. They will just say fake news or something similar and go on believing just what they want to...

Yes probably, although the picture is not all that clear. It would not be a major shock to find the spots were actually dark red.

Unless they are employed to post in this and similar on line forums. I know bookies used to (and perhaps still do) employ people to post on gambling forums to help catch match bettors.

Don't know about the song writing but when it comes to football, not sure that we dominate it. Aren't most of the clubs Foreign owned, aren't most of the Managers and their assistants from over seas, aren't most of the players foreign too. I suppose most of the supporters in the grounds are...

Talking to the guys in my LBS where I bought the bike, they absolutely love emtb mode. These guys are young fit lads that do an awful lot of really technical off road stuff and they said emtb mode was ideal for that.