up 6mph by switching to road bike??

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GrasB

Veteran
Location
Nr Cambridge
Okay so say I'm on a flat road with no headwind doing 20mph, that's about 175w. Now I want to increase my speed to 25mph I'm having to put in 315w. That's an 80% power increase for 5mph!
 

dudi

Senior Member
Location
Ipswich, Suffolk
GrasB said:
Okay so say I'm on a flat road with no headwind doing 20mph, that's about 175w. Now I want to increase my speed to 25mph I'm having to put in 315w. That's an 80% power increase for 5mph!

Yep.
That extra "little bit of speed" to get you up to an elite standard is very hard to come by.
 
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