NCAA - DUAL CHAMPIONS!
Join Date: Mar 2000
Location: From Sarasota, FL sitting in front of a computer spewing random thoughts!
Bikes: Intense Uzzi SL, Masi Speciale, Trek 3700 Nashbar Single Speed, Old Cilo Road frame
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The I-Drive is a moving cocentric bottom bracket that has an attached link (dog bone) that is part of the rear suspension. As the rear end cycles through it's travel, the bottom bracket swings in the concentric arc around the large bb shell.
The suspension action is smooth, and something you get used to in no time. I just think that there are a lot of small moving parts that can break and the bb is prone to collecting mud and other debris. This design is not one of the lightest, but definately one of the smoothest. The I-drive continually gets great reviews.
IMO, I wouldn't buy one, but would love it if you gave it to me!
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming, "WOW, What a Ride!" - unknown
"Your Bike Sucks" - Sky Yaeger