Carbon stems : Bad idea?

[GrasB]

Because ultimately if you have extra flexing you lose power, even if it high frequency vibrations. For an all out racing bike as long as it doesn't accelerate rider fatigue then you're better off being as stiff as possible & damned to rider comfort.

 

[Mark_Robson]

How much flex would come from the steerer as opposed to the stem?

 

[lukesdad]

You made a statement about the relative stiffness of carbon and aluminium stems, do you fancy backing it up with some evidence?

He can t.