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34501 Utica Road
Fraser, MI  48026
586-294-4070
3162 Packard Road
Ann Arbor, MI  48108
734-389-7900
6111 N. Canton Center Rd
Canton, MI 48187
734-667-5251
9701 Village Place Blvd
Brighton, MI  48116
810-229-6651
 
 
 
 
 
 
 
 
 
Challenge Tires Grifo Pro 33 Tubular

Challenge Tires Grifo Pro 33 Tubular

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Challenge Tires Grifo Pro 33 Tubular

Challenge's Grifo 33 Tubular excels in snow, mud, grass and firm dirt thanks to a tread with excellent pedaling, cornering and braking traction. The Grifo also has a puncture-resistant layer beneath the tread. And it's built on their light and supple 260tpi hand-made SuperPoly casing with polyester-reinforced sidewalls for excellent durability. You also get a latex tube. Latex tubes are lighter, thinner and more flexible than butyl tubes, increasing your comfort, lowering rolling resistance, and helping to prevent flats, too.

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