Tøhø mht. Giro´en, jeg mente selvfølgelig hvis du går efter at vinde et pro-løb vs hvis du bare er motionist. Hvis du er motionist, hvorfor er det så vigtigt at du bruger 3% mindre energi? Du motionerer vel for at få motion. Du kan også bare sætte en motor på, det er endnu mere effektivt. Og i forhold til hvad videnskaben siger, så kommer det an på hvilken videnskabsmand du spørger, du kan jo selv prøve at google på emnet. F.eks.
https://bicycles.stackexchange.com/questions/14059/are-there-any-scientific-studies-proving-the-benefits-of-clipless-pedal-systems"
The Pedaling Technique of Elite Endurance Cyclists: Changes With Increasing Workload at Constant Cadence was published in the International Journal of Sport Biometrics 7:29-53, 1991. However, it seems to come to the conclusion that they don´t really make any difference as far as pedaling efficiency goes.
"...while torque during the upstroke did reduce the total positive work required during the downstroke, it did not contribute significantly to the external work done because 98.6% and 96.3% of the total work done at the low and high workloads, respectively, was done during the downstroke."
This is echoed in Physiological and biochemical determinants of elite endurance cycling performance published in the Medicine and Science in Sports and Exercise 23:93-107, 1991. There are numerous graphs showing that pedal force is only exerted between the top and bottom of the downstroke, represented by a very sharp parabola spiking at 90 degrees from vertical.
"
Min pointe er at hvis du synes det er rarest, fedest, sejest at køre med klikpedaler så gør du selvfølgelig bare det, men at det er dumt som almindelig motionist at stresse over klikpedaler eller ej. Hvis det er rarest for dig at køre uden, så gør da det, så får du (måske) 3% mere motion, du kan køre i sko der er rare at gå i osv. Motionister har nogen gange en tendens til at kopiere alt hvad de professionelle gør, uden at tænke over om det giver mening for en motionist.