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"We'll ride it until they pave it."

-Big Clyde

Seems far too complicated to be reliable.

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Ride it until they CDFW it.

The same was probably said about the current derailleur systems. Think about coming from a single speed or dual cog where you manually move the wheel and chain to get a different gear. Imagine how "complicated" those seemed back then.

What about an internal hub gear system, talk about complicated.

This system actually seems fairly simple in comparison. I would worry about the bearings in wet conditions though.

Pretty brilliant if it ends up working as hoped. Better for roadies in the beginning I'd think. Wouldn't dirt/grit be a concern when it comes to MTB though? Maybe a basic light weight (and sturdy) enclosure of some could be designed if so.

If it pans out as a truly better system, I still can't ever see moving to it unless they offer a purely mechanical version. Just not a fan of battery/wireless and bikes.

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"it can go full porno alley"

- Kimba - One love, many bikes - 2020

Awesome to see people innovate. It's aesthetically really clean (in the internally routed cables or Di2 kind of way).

I don't think complicated things are necessarily bad if executed well. We've all benefitted from more complicated things in our lives and don't give them a second thought because they work as they should (most of the time...).

Couple critical thoughts: 1) the standard deraileur/chain set up is quite efficient. They've basically improved 'efficiency' from 97-98%, with an ideal standard setup, to 99% efficiency (1.5% friction to 1% friction). Whoop-dee-do. 2) The simplest thing they could've measured to show benefit would be weight difference which they claim they didn't do. Or they did and it wasn't in their favor; which I think is more likely.

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It is not enough to fight for the West; it is even more important to enjoy it. While you can. While it's still here. -Edward Abbey

Interesting, but I'd be more enthusiastic if they had a prototype that actually shifted.

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A bicycle is a splendid thing.
~Ernest Hemingway

I get what you guys are saying about new and more complicated stuff. I was following right along until he started talking about the electronics of it. It uses a sensor to determine which shift ramp to choose, and has the servo/actuator thingy in the tube with the battery. Seems like a lot of stuff that has to go right while bouncing around, getting wet, dirty, greasy etc.

I am not saying it wont work, just seems like a lot to ask for reliability.

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Ride it until they CDFW it.

Good points.

Likewise to avidtest’s comment. I held on to my BB7 mech disc brakes forever after hydraulics dominated. Just cause I had the tools/familiarity to service them.

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It is not enough to fight for the West; it is even more important to enjoy it. While you can. While it's still here. -Edward Abbey