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Moderately stupid question

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Sandwich

Pig my fish!
Staff member
May 23, 2002
16,142
1,108
01776
Need some help. I want to put fat tires on my road bike to use it as a commuter. Right now I have hutchy equinox 23C tires. I haven't had any flats with these tires. I have carbon spoked wheels and a ti frame and a carbon fork.

If I put 28s on there, how much can I expect the height of the tire to increase? I have extremely limited clearance between my rear tire and the derailleur mount up front, so I can't add too much height to the tire. I would expect the side clearance to increase by 2.5mm on each side, so does that apply to the top as well?
 

Banshee Rider

Turbo Monkey
Jul 31, 2003
1,456
10
Yes, you can expect the height to increase by ~ the same amount. Pay attention to how much clearance your brake caliper has as well.
 

Sandwich

Pig my fish!
Staff member
May 23, 2002
16,142
1,108
01776
The calipers are SRAM apex, so they go up to 28c (or are so listed). I don't think I have more than 3mm on rear clearance, and my Ouzo pro fork probably limits me to 25c anyways. Time to consider alternatives, thanks for the response.