Donnelly BOS Gravel Tire Specs:Donnelly, BOS, Tire, 700x33C, Folding, Tubular, Black Crafted with lightweight

Crafted with lightweight

Lever Blade Material : Carbon

Athletic tonal Mesh at back yoke

Fits most: Cross Country-

Donnelly BOS Gravel Tire Specs:Donnelly, BOS, Tire, 700x33C, Folding, Tubular, Black Crafted with lightweightThe BOS is named after the airport code for Boston, the original hotbed of North American 'cross and home to some of the nastiest courses Even more aggressive than the PDX, it has buttressed side knobs for outstanding traction in super muddy corners and off camber sections and a center tread that's all bite Tractor style tread for the harshest mud Primary Color : Black e Bike approved : No Bead : Folding Tire Diameter ISO : 700C 622 Tire Width Range :