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Old 09-05-17 | 07:47 AM
  #13  
twodownzero
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Joined: Oct 2011
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From: New Mexico

Bikes: Surly Disc Trucker, Ribble Nero Corsa, Surly Karate Monkey, Surly Ice Cream Truck, Cannondale MT800, Evil Insurgent

Originally Posted by castmasterflash
^ I literally top 33MPH on my Sirrus every ride on my morning loop - not just sometimes, and definitely not never. I changed my gearing out to a 50/34 and 12-25 in back. I'm not saying gearing is everything but with that and 700x30 tires I have sustained speeds at 30ish and top out down hills around 38-40. (Those are down hill, total average on 20mi is 18.5-19.6).
I love the closer ratios and bigger rings and actually once in a while wish I had one more gear to grab but wouldn't go with bigger rings than what I have.
Well the good news for you is that a 700c is bigger than a 26, and so the same gearing gets you even more speed with 700c.
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