Originally Posted by
Kontact
Aluminum Cannondales don't damp vibration any more than steel does. Aluminum transmits vibration very well.
Go learn something about
elastic modulus. Steel has a high elastic modulus which means it is springier and transmits vibrations better. Aluminum has about 1/3 the elastic modulus of steel and transmits vibrations poorly. Both transmit some vibration but aluminum transmits less.