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Gravel tires : 630's

Old 12-02-18, 09:17 AM
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halfmile
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Gravel tires : 630's

My main rides these days are Rails to Trails and as such, the roadbeds are typically crushed stone, understandiing there is not many choices, what are your reconmendations....FYI: not changing wheel size....
Thank you in advance
Bud
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Old 12-02-18, 10:29 AM
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ironwood
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By not wanting to change wheel size, you are pretty much limited to 271/4" tires, which in my opinion are not the best for gravel. Paselas are probably as good as any in that size. However you'd be a lot better off if you could go to 650B. Whether that is possible depends on your present frame being suitable, and, of course, how much you want to spend.
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Old 12-02-18, 10:46 AM
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clasher
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If you want something knobby there's the kenda k161 in 27x1-3/8 that is a bit wider than most 27" tires and has cross-style knobs on it... probably snag 'em off amazon for 15-20$. Personally I would go for the sand canyon for riding rail trails, the tread isn't as aggressive and it should be a lot smoother of a ride than the cheaper kenda tires. The only way I'd use those k161 is if I was hitting up a lot of muddy trails or something along those lines.
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Old 12-02-18, 10:57 AM
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You can find 27 x 1 3/8" tires easily enough, for example the Swift Tire Sand Canyon (link). Note that these have a claimed width of 33mm on normal rims (so 2mm under nominal), so still a bit narrow for the riding you describe.

A slightly bigger tire (allegedly) is this one (link), but its a knobby tread and perhaps not appropriate for the touring bike in your signature.

FYI, I converted an early 80s touring bike from 27" to 700c and was able to fit 700x35 Panaracer Paselas with fenders. And if I wanted to remove the fenders I'd guess I could get to 38-40. While I value originality as much as the next guy, moving to 700c in this case is almost always the sensible move.

Last edited by CO_Hoya; 12-02-18 at 12:49 PM. Reason: Took so long to type a response, I was scooped
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