Flutterby™! : Bicycle drive shaft

Bicycle drive shaft

2018-07-15 15:20:11.840043+00 by Dan Lyke 2 comments

Via Shadow: CeramicSpeed 99% Efficient Drive Shaft // Chain Free Bike // Eurobike 2018 (YouTube video). Looks cool although in the prototype stage, and there are some interesting mechanical issues to resolve...

[ related topics: Movies Video Bicycling ]

comments in ascending chronological order (reverse):

#Comment Re: Bicycle drive shaft made: 2018-07-16 16:21:09.539156+00 by: Larry Burton

When they come up with a mechanical way to change gears rather than relying on batteries and wireless I'll be accepting of it.

#Comment Re: Bicycle drive shaft made: 2018-07-18 15:40:57.963201+00 by: Dan Lyke

Sure looks like you could do shifting with a mechanical linkage on this one, the big tech issue seems to be lateral deflection of that rear cog...

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