I've not seen it on an actual bike, but this is the second version of this I've seen. It's like shaft drive without stacked gears - I would assume they're helical.
I've not seen it on an actual bike, but this is the second version of this I've seen. It's like shaft drive without stacked gears - I would assume they're helical.
IIRC that's a heavily modified Specialized S-Works Venge they have it mounted on, and subsequent testing suggests this will be more aerodynamic than a conventional drivechain as well (makes sense - you're getting the derailleur totally out of the airflow).
The problem here is that this is the most mechanically efficient way to drive a bike produced yet, but getting this system to shift smoothly will be an absolute devil of a task. It COULD work, theoretically, it's just there's a lot more work that needs to be done.
CeramicSpeed has already built a name for themselves producing ultra-high-end ceramic bearings for road bikes, so they're a name you already see all over the peloton (I think the S-Works crankset on my Venge is on a CeramicSpeed bottom bracket).
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