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20", 451

Primo Comet; 20 x 1 1/8
The second highest psi tire available in a 451. The Primo Comet has been a mainstay for many, many years. Blackwall also available with a kevlar lining for extra puncture protection.
Primo Comet; 20 x 1 3/8
Just a bit wider than it's higher pressure cousin, the 20 x 1 3/8 offers a bit softer wide at 85 psi. Many folks like the little wider footprint for less improved roads. Blackwall only.
Various 451 Tubes
$4.99 - $7.48
20" 451 tubes. Okay, what is a 451 anyway. It's a 20" tire/wheel size used mostly for a lightweight BMX racing wheel. The rim is about 1 1/2" taller than the more recumbent popular 406. It's vital when selecting tubes that you pick 451 when you need 451. You can usually tell by the size printed on the sidewall. Except in a couple of cases, 451 tubes end in a whole single digit or fraction (20 x 1, 1 1/8, or 1 3/8). 406 on the other hand ends in a decimal ( 20 x 1.25, 1.5, 1.75). The odd balls are Schwalbe Stelvio and Conti Gran Prix. The Conti 406 is labeled as a 20 x 1 1/8, the Stelvio 406 and 451 are both labeled with 20 x 1 1/8! Choose wisely! We also have 451 tubes available with a 60mm presta valve for those deep rims.
Schwalbe Quality 451 Tubes
Extremely air-tight! Less air loss means having to inflate less often. Our unique rubber mixture makes it possible. Extremely reliable! Each SCHWALBE tube is individually examined twice at the factory to ensure air-tightness. Special quality control that prevents unpleasant surprises. In Schwalbe talk, the SV is presta and the AV valve is Schrader. These tubes will fit 451 tires from 28 - 37mm's in width.
Kenda Kwest
A Kenda for the 451 crowd! Same Kwest tread that you see on the 406 and 559 versions. This 20 x 1 1/8 tire pumps up to 100 psi.
Schwalbe Durano
For mile eaters. Durano, a 20 x 1 1/8" 451, is the right choice for high mileage purposes, because no other racing tire lasts longer. At the same time the Dual Compound offers great grip for training on wet winter roads. It has the proven RaceGuard protection belt. Inflates up to 120psi. Non-folding only.
Schwalbe Ultremo ZX
We are still waiting for stock on this one! We are taking back orders. The 20" Ultremo's are in black only. As tire designers the Ultremo is the pinnacle of our ambition. We strived relentlessly to increase its speed and installed the ZX with HD Speed Guard and RaceStar Triple Compound. Both components are perfectly tuned to the requirements of an outstanding competition tire. The result: Significant reduction in rolling resistance. Even so we used additional material to reinforce the tire shoulders and to ensure a considerable increase in mileage. ZX - the best Ultremo ever!
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