Bike Forums - View Single Post - Convert to compact crankset?

02-04-20, 08:22 AM

#23

merlinextraligh

pan y agua

Join Date: Aug 2005

Location: Jacksonville

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Bikes: Willier Zero 7; Merlin Extralight; Calfee Dragonfly tandem, Calfee Adventure tandem; Cervelo P2; Motebecane Ti Fly 29er; Motebecanne Phantom Cross; Schwinn Paramount Track bike

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Quote:

Originally Posted by Iride01

A 34F/28R gives you a low gear ratio of 1.21, your current low gear is a ratio of 1.39 so it will be easier. But if you pedal when going fast down hill you might not like what the 50/11 combo feels like.

Changing cassettes to a 11-32 might give you acceptable results with a low gear ratio of 1.22 and preserving your current high gear. Of course there will be some shifts that will have more change in ratio. However depending on you, it might be a non-issue.

.

50x11 will get descending fast enough to where you hit the point it’s more efficient to tuck and coast.

I’ve done Pro1-2-3 races, and descended in Alps, Pyrannees, Colorado ( and Hogpen and Brasstown in the OP’s neck of the woods) and have never been limited by the 50x11. ( time trials aside, which is a different issue.)

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