Internet Entrepreneur Creates Road Bike With Rings Instead of Stays
"Finite Element Analysis shows that the Roundtail design provides ten times the vertical flex, and over sixty times the shock absorption of ...
New Bike Design May Be Riders' Revolution - Tortola RoundTail
Windsor entrepreneur's 'roundtail' eases back strain.
Radical-Looking Tortola RoundTail Bike Claims Radically Smoother Ride
The Tortola RoundTail bicycle replaces the frame's traditional rear triangle with two shock-absorbing joined rings.
Tortola Roundtail – A Bicycle Frame With A Twist
A Canadian inventor has unveiled a new bicycle frame design that he claims is dramatically more comfortable than a traditional double diamon...
