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Old 09-02-10 | 09:36 AM
  #18  
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vik
cyclopath
 
Joined: Apr 2006
Posts: 5,264
Likes: 6
From: Victoria, BC

Bikes: Surly Krampus, Surly Straggler, Pivot Mach 6, Bike Friday Tikit, Bike Friday Tandem, Santa Cruz Nomad

Originally Posted by chagzuki
I've never been entirely convinced by the fat tyre route. . . I mean, yes, on a rigid, small-wheeled bike I'm going to use fat tyres, but the drawback is much more rotating mass, so whilst you're not adding a huge amount of weight to the bike you're adding it where it matters most in terms of ride quality. That's why I spend the extra and get folding bead tyres. The maxxis grifter on my rear wheel has performed well and weighs under 400 grams whereas a standard Big Apple according to my scales is over 600.
Wide tires that are also fast are those with supple casings which tend to be reasonably light as well. Rotating mass is only an issue during acceleration and since a small wheel bike starts with very light wheels this isn't really an issue...so the more important issue is rolling resistance where a wide + supple tire will be faster.
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