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Can't help feeling that is far superior and cheaper solution to 'Skarper' for those that want to use their bike powered or unpowered. Just have an 85SX wheel with tyre, cassette and disc rotor hung up in the garage and swap it in or out , add a bag battery and you are off

Yes, some people are very strident on here, but I am currently installing a 48v motor kit which has a max current of 20 amps and the motor is certificated and stamped as 250w and is perfectly legal, so in the event of police checking it or an accident and a subsequent investigation, I don't...

This is a great example of credulity, people lap up any old nonsense that fits their beleifs - it's not difficult to find out the real story, just needs a bit of scepticism and critical thinking

Great info, thanks, most geared hubs will cope with that hill with your weight. Geared hub motors usually come in 3 speed options, : 1) 328 rpm for faster speed on flat terrain and for lighter riders and smaller wheels 2) 260 rpm for mixed 3) 201 rpm for hilly terrain and heavier riders If...

Can I ask how heavy you are ? (It will take half the power to get a nine stone rider up a 20% hill at 10mph compared to an eighteen stone rider) Also could you show the gradient on mapometer on the toughest hill you will regularly encounter e.g.

There are loads of high spec'd good condition donor bikes on facebook. If you have the correct tools, removing the bottom bracket is no more complicated than the other bike maintenance tasks you mentioned - I use the local bike shop as a last resort - they charge £10 to remove a bottom bracket...

You can't have a legal "on road / legal mode and off road high power switch" - they are specifically forbidden in the legislation. The legislation states that the max continuous rated power of the motor must be 250W In your situation (ie want to do some proper mountain biking and also very...

Thanks - I had one of those in my bin of bike bits ! Now I need to remove the bottom bracket ! my tool for hollowtech 2 / bb9000 doesn't fit !

Yep, thanks, the outer part was fully screwed in, but the inner part screwed all the way in without hitting anything !

So, trying to remove the cranks, my crank puller is just going inside, do I need a different one ?

If someone wanted to dip their toe into e-biking for < £500 including delivery - I think @saneagle has linked to these colorway before. 26" wheels, disc brakes, 36V 15Ah battery - UK stock eta £99 tax - hadn't seen that (can buy from UK outlets for £579)...

Asian countries are home to many of the world's 300 million electric bikes and scooters. These electric bikes and scooters are workhorses rather than a hobby or leisure purchase.

https://www.foreignaffairs.com/united-states/path-american-authoritarianism-trump

I think just about all e-bikes will do what you want. I'm not convinced the more expensive e-mountain bikes will be any better for what you want. I find a hub motored bike more relaxing for commuting (I have a mid (crank) drive and that is better for mountain biking) As others have said, be...

https://www.pedelecs.co.uk/forum/threads/wisper-strange-battery-issue.37195/

I did a front hub conversion a to a 20" wheeled Dahon clone (with 74mm fork size). The motor I used was a TBK-74AD (which I think is a rebadged AKM-75). I used the Woosh 36V 10Ah bag battery with a KT 15A controller. Depending on what assist level I use, I get between 40-50 miles range...

So using the TSDZ8 template looks like it will fit an old XS Gary Fisher (disc braked !) hardtail MTB she has in her garage. The frame triangle is quite small - any suggestions for downtube batteries ? The coast to coast ride has mechanics, support etc, so I was thinking maybe get 2 * 48V 10AH...

There's a very interesting article on the Institute of Physics by Spencer Weart "The Discovery of Global Warming" https://history.aip.org/climate/index.htm "Calculations made in the late 1960s suggested that in the next century, as CO2 built up in the atmosphere, average temperatures would...

Just saw this - not sure I noticed it a the time https://www.nature.com/articles/d41586-024-03026-9 https://www.sciencemediacentre.org/expert-reaction-to-study-on-genetic-tracing-at-the-huanan-seafood-market-to-investigate-possible-covid-virus-origins/ I struggle to know how to choose between...