Originally Posted by lectraplayer
If my buddy's bike weighs 20 pounds, that would put me at 245 pounds on the wheels vs. 265 pounds now. I'm not expecting all that much right now, but I do know a 20 pound weight sure does get heavy when I carry it across a football field. ...then again, am I carrying the bike or riding it?
Just to give you overall numbers:
On flats at speed 30km/h, difference between 265lb (120kg) and 245lb (110kg) is minimal.
Example:
You have same bikewheels exactly the same route, flat no wind but you are 10kg lighter:
At 110kg you will need 176W to push the bike at 30km/h
At 120kg you will need 179W to go 30km/h
Difference gets bigger when go uphill:
At 2% grade
110kg takes 356W to go 30km/h
120kg takes 375W to go 30km/h
At 4% grade
110kg- 535W
120kg – 571W
Going to drops in your case at 120kg @ 30km/h will push you to 148W
So instead of getting lighter bike ride in drops. Or in the hoods this will get you to 162W @30km/h
Here is quite good online calculator:
http://www.cyclingpowerlab.com/PowerSpeedScenarios.aspx
At 265lb you are a tank few LB will not make any difference, get to 160-170lb and then get light bike.