Stringbike

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Drago

Legendary Member
I can't see why a chain is do bad we're all going to flock to these.
 

Globalti

Legendary Member
Dogleg cranks again! Why do inventors think they are any better than straight cranks?

There's no way this will be as efficient as a drive chain. You can't improve on the traditional chain for efficiency and serviceability.
 

Night Train

Maker of Things
The 'problem', I think, is that there are a lot of up and coming young designers who think they can improve on the standard bike's engineering concepts.

The standard bike is already so well designed that any improvements are either very radical or very subtle. Subtle doesn't get them noticed so they go for radical. That tends towards redesigning something that already works well to solve a problem that doesn't really exist anymore.
Chains and belt drives are already good, shafts and cords, and alternative pedal movements (treadles), less so.

Looking at new recumbent bike/trike design, and load carrying bikes/trikes would be more effective I think, as there are still engineering design and use issues that can be re-examined.
 

EltonFrog

Legendary Member
They'll fly out of the shops they will.
 
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