Re: Add-on e-bike conversion kit - Swytch or eBay kit?
Posted: 2 Aug 2020, 12:05am
Budget at least £450 + for a 48v battery to power those heavy 1kw D/D hubs.
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hemo wrote:Phil Bailey, what type of bike for conversion only 9mm QR's are suitable, through axle are no good.
Your weight and how steep a hill ?
Fitting a rear hub wheel isn't often just a drop in solution, one has to also think about adding a torque arm to prevent motor hub spinning out of the D/O's, though hubs do come with anti rotation washers they on their own may not be enough for piece of mind.
Filing the D/O's may be necessary to allow the hub axle to sit deeper 1.5 -2 mm is often needed.
Currently on Pedelec forum there is a guy who has bought a cheap Voilamart 250w used motor kit and it climbs better then a Bafang GO6 fat bike hub, it in all actuality shouldn't do so as the former is only 15nm and the latter 50nm. The fat bike is heavier and the tyres will have more rolling resistance but doesn't count for all the lesser performance.
With any decent hub kit with 5 levels of power assist hills should be relatively easy to climb.
The 1KW D/D hubs aren't the be all and end all unless you can have a heavier decent battery to power them.