I test rode a 'dale years and years ago. The ridiculous amount of vibration and harshness has to be experienced first hand to be believed.
Cannondale used to cater to a segment of over-weight riders who needed a super stiff frame. However, since the average american is now very overweight, I guess they cater to the average american buyer. Cannondale is an american institution, kinda like Mcdonald's and Krispy Kreme,
