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Old 12-10-2012, 04:43 AM   #26
jdrocks
Gravel Runner
 
Joined: Jul 2007
Oddometer: 3,948
everyone must already know that there is only a 5-6% difference in mounted tire diameter between the common 19 and 21 DS type tires, hardly seems a big enough variance to make a difference traversing varied terrain, especially on a DS bike, as opposed to a dedicated offroad moto.

the section width of the same tires is a different story, with the variance being over 20%.

so it's unlikely the diameter that accounts for handling reports in mud, sand, etc., the argument comes down to running skinny versus not so skinny.

i like the 19 for running both paved and gravel, does well on both.
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