Challenge Grifo Pro Tubular cross-country tubular tyre, 33 x 700C, colour: black and brown

Cross tubular tyre, Challenge Chicane Pro, handmade tubular, 33 x 700C, colour: black and brown

Challenge Limus Pro Tubular tyre, 33 x 700C, colour: black-brown

Cross and gravel tyres, Challenge Hicane Pro, handmade clincher, 33 x 700C, colour: black and brown

Challenge Almanzo Pro Clincher cross tyres, 33 x 700C, handmade clincher, foldable, colour: black and brown

CRoss Tyres Challenge Folding Tyre Grifo Pro, Handmade Clincher, 33 x 700C, colour black brown

Bicycle tyre, Challenge Gravel Grinder Race, 42 x 700C, 120 TPI, colour: black-brown

Challenge Strada Bianca Pro OT, handmade clincher, 30 x 700C, colour: black and brown

Challenge Limus Pro folding tyre, clincher, 33 x 700C, colour: black and brown