Donnelly BOS tubular tire 700x33C (33-622)

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  • BOS is the airport code for Boston, Massachusetts, a hotbed of North American cyclocross and home to some of the harshest weather and the toughest race courses. If you’re pinning on a number in New England you better be ready for rain, roots, ruts and mud. And, you better have a set of Donnelly BOS tires in your quiver.
    This mud slinger is even more aggressive than our race-proven PDX cyclocross tire. It features stiff, buttressed side-knobs for outstanding traction in super muddy corners and slick off-cambers. The unique center tread pattern is all bite when it comes down to a long muddy tractor pull.

    • Size: 700 x 33mm
    • Weight: 386 grams
    • Type: Tubular
    • Product Features:
    • Buttressed side-knobs for superior cornering traction
    • Unique center knob pattern designed for maximum traction when you need it most
    • Soft rubber compound provides extra grip and shock absorption
    • Rubber-coated sidewalls are extremely durable and prevent deterioration from water, mud and dirt
    • No additional sidewall coating necessary
    • All in one construction means tread will not peel away from the tubular casing
    • Precision design creates a straight tire with no variances in size or alignment
    • The tire and base tape are consistently straight making it easy to glue and install to your wheel
    • A removable valve core allows for valve extenders installation as well as insertion of tire sealant
    • Liquid sealant can be used with all Donnelly tubulars to prevent or repair typical punctures
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    Factory number:D50030
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