Interesting, extra drag slowing decents? Wouldn’t suprise me to see this when e-bikes move the direction of integrated gearbox motors. The rear wheel will just be a fixie with a belt drive and idler pulley for full squish bikes. Moto world has long since been this way.Was kicking around using a small zip tie to zip my cassette to a spoke. This would cause the cassette to spin with the wheel even while not pedaling allowing you to shift gears anytime that the bike is moving because the front chainring has a freewheel built in to it due to the motor.
Downsides include possibly being able to feel some motor overrun when you quit pedaling, and a fast spinning chain failing in some manner causing catastrophic damage as it comes loose. Every motorcycle in existence is built this way where the chain keeps rotating when letting off the throttle and it doesn't hurt anything.
Also the small zip tie should pop pretty easily in the event that something goes wrong.
Would test but my Relay is still in the shop awaiting a new controller.
Interesting, extra drag slowing decents? Wouldn’t suprise me to see this when e-bikes move the direction of integrated gearbox motors. The rear wheel will just be a fixie with a belt drive and idler pulley for full squish bikes. Moto world has long since been this way.
Well after you described the issue it does make sense, the rear sprockets are now driving the front so the slack side of the chain will be the top with no means of chain tensioning. Good experiment though, always much to learn in the doing. Hope the chain drops didn’t tear up your frame too bad.I did try the zip tie trick on a trail and I could see it being the future of e-bikes if they were designed around it. Fixer rear hub to save weight and all that, it removes a point of slack in the driveline.
But you'd need a freewheel in the engine that could take that sort of use, and an upper chain guide.
I dropped the chain as soon as I got to the drops and jumps. Started falling off constantly. 4x in about 1/4 mile. So I jumped on a road back to the truck where I had some dykes to cut the zip tie.
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