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No clue, I've believed marketing bullshit (and one or two tests) on this one, also got to think about less rolling resistance; but say: new zipps, a speedsuit and an aero helmet (they're starting to look better) would be a better investment I reckon.
Above all else I'd feel like a top bellend going on a casual ride with an aero frame like a Propel, they look cool as fuck with pro's on them, don't get me wrong, but if you're slogging your way up the local slopes getting passed by guys with actual fitness on normal looking bikes, the gains count for fuck all
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the gains count for fuck all
if you were on a regular frame, the fast lads would have passed you earlier
#everycloud #brightside #halffull #encouragingconsumption
p.s. also, let's not forget Strava
Zipp 40mm v and 58mm firecrest. Is the difference huge? They go mad for the benefit at yaw but is it real?
I wouldn't be sure which has the largest gain (vs an aero frame).