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Do you have some reservations about the 11t free wheels ? DRIFT MANIAC 7 Speed Freewheel For E-Bike 11-28T/11-34T Screw On Freewheel https://amzn.eu/d/inm6bap

I think a Cannondale adventure would make a good donor bike, here's one for sale 6 miles from me (650b wheels, disc brakes, but has front suspension) https://www.facebook.com/marketplace/item/1172481134108086/

I think it could be done, just the flared chainstay will limit the size of the chainwheel, so you will need to pedal very fast. I copied @saneagle 's top gear of 48t /11t with 26" wheels that gives a very relaxed gearing suitable for an ebike

Here is the latest (2023) review of evidence https://www.london.gov.uk/sites/default/files/2023-04/Imperial%20College%20London%20Projects%20-%20impacts%20of%20air%20pollution%20across%20the%20life%20course%20%E2%80%93%20evidence%20highlight%20note.pdf "However, over the last ten years there...

So from the (2017) article we both linked to : "What does this actually all mean for our health? The crucial issue, repeatedly emphasised by COMEAP, is that we cannot identify these 29,000 as individuals– there are no recorded deaths to count, as nobody has ‘pollution’ on their death...

this was on an overcast rainy day https://www.pedelecs.co.uk/forum/threads/time-for-a-helmet-camera.45746/post-709933

I was just trying my <£30 Apeman A79 on my new bike on my lunchtime ride - I have it mounted on the handlebars with the usb cable plugged into my bike battery - I think the quality will be much inferior to the GoPro, but I tried reading a few number plates, both coming towards me and overtaking...

just to point out, I am not acquiring yet another e-bike ! - I was just responding to Matthew's challenge and seeing if I could source a kit / battery / donor bike for the price of the Argos bargain £360 one

So if people with respiratory problems were dying earlier because of pollution, 1) how would you know ?, 2) would you consider that they had "died of pollution"

Well even the dissenting minority group of authors had none of those concerns - most of their reservations were around separating out NO2 effects from other pollutants eg We recognise that statistically significant associations between long-term average concentrations of NO2 and risk of death...

Yes - I had already read that and linked to it in my post - that article was 2017 though and the evidence has "firmed up" since then.

I don't think anyone has air pollution on the death certificate , but NOx and particulates are known from epidemiological studies to reduce the population lifespan Here is one from 2018 that seems to be used in the figures (this is NOx only)...

Yeah - if its an 8 speed cassette and shifter, then you could just put a 8 speed freewheel on the new freewheel hub motor wheel ? https://www.amazon.co.uk/DRIFT-MANIAC-Speed-Freewheel-Sprocket/dp/B08HJ7LS9V

https://www.gov.uk/government/publications/air-pollution-applying-all-our-health/air-pollution-applying-all-our-health#:~:text=The%20annual%20mortality%20of%20human,and%2036%2C000%20deaths%20every%20year. " ... In the UK, air pollution is the largest environmental risk to public health. The...

Challenge Accepted ! Rear MXUS XF08 (freewheel) rear hub kit 26" wheel including KT controller and display https://www.pswpower.com/products/mxus-electric-bike-conversion-kit-wheel-hub-motor-36v-48v-1000w-500w-250w-26-28-700c-rear-front-drive-engine-ebike-kit-xf07-xf08-xf08c-xf15f-xf15r-328...

Bit more on Martin (who has no relevant fire safety or engineering qualifications) from the inquiry reporting https://www.insidehousing.co.uk/news/official-told-safety-campaigner-to-show-me-the-bodies-when-warned-of-tower-block-fire-disaster-inquiry-hears-74889

That Peter Apps article is excellent - that's one piece of evidence from a 6 year public enquiry - I would really recommend reading his book to understand the whole thing - there were numerous opportunities to prevent what happened. You rightly highlight the manufacturers of the cladding...

I would really recommend the Kate Lamble (from More or Less) radio series "Grenfell: Building a Disaster" after reporting on the inquiry for 6 years https://www.bbc.co.uk/sounds/brand/m00201xv?partner=uk.co.bbc&origin=share-mobile "This was a fire that was both foreseeable and preventable.”...

You are going to end up with a fleet of e-bikes :) It is a very nice e-bike, I was tempted myself. It is very light, it uses the very light AKM-85 motor, so most suitable for riders < 14 stone / not too hilly - speed control, but I think the Lishui implementation is quite subtle...

23.5kg (even including 36V 11.4Ah battery) seems a bit heavy - The Argos £360 bargain hub bike that people got here was 20.3kg inclduing battery - that would probably be a better bet - fits standard 20Ah and 17Ah Hailong batteries (with the correct ports) too...