Donnelly BOS Gravel Tire Specs:Donnelly, BOS, Tire, 700x33C, Folding, Tubular, Black Lightstrike midsole

Lightstrike midsole

This product has been made with at least 20% renewable materials

Athletic tonal Mesh at back yoke

Cranks: Radio Raceline

Donnelly BOS Gravel Tire Specs:Donnelly, BOS, Tire, 700x33C, Folding, Tubular, Black Lightstrike midsoleThe 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 :