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I was interested in where the energy to power a bike goes and the various bike design parameters, not really specific to just electric bikes e.g. 1) weight - at first I was thinking this only really applied to hills, but I'm realising that there are very few completely flat roads and even on a...

I think these calorie calculations are fraught with error - different fitness bands give very different estimates. Some do an estimate purely on heart rate not on distance/speed. If you looked at it in purely heart rate in 6 hours of cycling, you would struggle to burn less than 400 calories...

I think China have committed to reaching their CO2 emissions peak before 2030 and reaching net zero by 2060

Not as cheap as using a generic battery but https://winstanleysbikes.co.uk/catalogsearch/result/?q=wisper+battery

https://www.london.gov.uk/programmes-strategies/environment-and-climate-change/environment-and-climate-change-publications/air-quality-london-2016-2024

Which model ? Let us know how you get on with it, they seem good value to me.

https://www.facebook.com/marketplace/item/729126078951147/

That's slower than you ? https://www.pedelecs.co.uk/forum/threads/5-separate-punctures-on-a-14-mile-journey-home.46592/post-700902

to be fair the forums search facility isn't always the best - I usually do a google search and specify the site as pedelecs.co.uk

This thread https://www.pedelecs.co.uk/forum/threads/crossfire-kt-upgrade.41623/ seems to suggest you will need a new cadence sensor

Is this any use ? https://www.pedelecs.co.uk/forum/threads/carrera-crossfire-removing-and-replacing-motor-system.38096/ or https://www.pedelecs.co.uk/forum/threads/carrera-crossfire-controller-and-display-upgrade.44194/ Is it a hub motor ?

It has a bottom bracket torque sensor - same as the Eleglide - ETA getting contradictory info - from their site says cadence sensor (doesn't really matter that much) https://uk.fiido.com/products/fiido-c11-electric-commuter-bike

From what I could tell the Fiido had a more powerful controller/motor and bigger battery and was lighter

Can you find any in stock ? - the Fiido C11 looks similar

Thanks Az I think I have found the answer to point 5 "5) Is there something I can check on the potential donor bike regarding the motor rubbing - or is that easy to fix ?" https://www.pedelecs.co.uk/forum/threads/tongsheng-tsdz2-review-and-build-tips.37248/ "c) Bikes with fatter tyres such as...

I was thinking about a TSDZ8 conversion. If I was looking for a donor bike, is there anything I need to look out for to make the conversion as simple as possible ? 1) BSA bottom bracket (or press fit BB that I can buy BSA adapter) 2) Space on the downtube for battery 3) Hydraulic brakes 4)...

For comparison, I'm getting up this on a couple of my hub bikes (36v 18a and 48v 15a controllers), where I am roughly 17 stone. I'm pedalling hard, but not getting out of the saddle. With the BBS01 you have the advantage of the motor's effort going through the gears (whereas on my hub bikes...

https://www.abc.net.au/news/2024-04-28/the-science-behind-zone-2-training-for-athletes/103749442

That's bizarre, I get a list of top up paints from that link https://wisperbikes.com/shop/accessories/touch-up-paint-wisper-se-red/ https://wisperbikes.com/shop/accessories/touch-up-paint-wisper-se-blue/ https://wisperbikes.com/shop/accessories/touch-up-paint-wisper-se-black/...

https://wisperbikes.com/?s=Paint