Originally Posted by
utoner34
Currently I own ~ 10.5kg aluminum xc bike. I like to train on uphill roads (average 8-9% of gradients or so)
Lets say I buy a crabon frame ~8kg bike. Will this make my times significantly faster?
Anyone got proof that frame stiffness is faster?
Jan Heine in his new book The All Road Bike Revolution would disagree. Page 58 for those interested.