Recent content by fizzybrain

Ah, that's more like it - a proper first derivative! Maybe bike-roll had a facility for a proper plot of gradient, but I couldn't find it. That route (and back, obvs.) is pretty much all I expect to be using this bike - whichever one it ends up being - for. Will inspect other donor bikes over...

Thanks for the responses everyone. My main concern was that 250W wasn't going to be enough without some extreme gearing, but it sounds like it won't be a problem (for a mid-drive or a hub motor), so that's good. The "48% gradient" is just the maximum gradient of that route from bike-roll.net...

Hello all, lovely to be here. I have this big heavy bike which I think came from Germany and seems to be very well-suited to riding around in comfort on mostly flat plains. However, I live in Pitlochry, which is far from flat. This, specifically, is the route that I wish to use to take my aged...