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Widest tires for 2007 Specialized Roubaix

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Widest tires for 2007 Specialized Roubaix

Old 12-06-20, 01:27 AM
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Symox
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Widest tires for 2007 Specialized Roubaix

Iím a recent and avid convert to wider tires. Going from 23 to 28 on my bike has absolutely transformed the performance of the bike and my enjoyment of it.


im wondering if I could get away with 32 widths (conti gator skins). This is a 2007 Specialized Roubaix Comp with Magic Open Pro rims and 105 rim brakes. While the rims are specked for 28 max, Iíve read many people have successfully gone wider.

thanks
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Old 12-06-20, 07:15 AM
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WhyFi
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Don't you have the bike in front of you? If you have 28mm Gators on it now, use an Allen wrench as a gap feeler at the tight points between the existing tire and frame/brake calipers (seat/chain stays to the side, seat tube and brake caliper clearance radially, etc). Manufacturers generally recommend 4mm of space to the sides and top of the tire (for debris clearance, wheel flex, etc), so if you can fit a 6mm wrench at the narrowest gaps, you should be able to accommodate the larger tire. Some people are comfortable with less tire/frame clearance than 4mm, but that's on the individual.

Oh, and also take a look at brake pad clearance when you're installing/removing the wheels - if your tires are juuuust squeaking out between the pads with the 28s, you might need deflate 32s to get them in/out.
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Old 12-06-20, 10:14 AM
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Ogsarg
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Don't know about the 07 but there is no way I could fit 32's on my 09 Roubaix. May be able to get some 28's to fit but not anything wider. I ran GP4000-II's in 25 mostly.
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Old 12-06-20, 05:09 PM
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Symox
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With 28s on I measured the clearance. All sides and top of the tire have at least 3.5mm. Most are at 4mm. Think I'll stick with 28s
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