Challenge's dune bike tires are perfect for cross-country racing in sand and ice conditions. This dune bike tire, Model Dune Pro, is made of durable superpoly materials. With a bandwidth of 33 and a tire size of 700x33c, this folding band offers maximum grip and stability during the race. The tire has a maximum pressure of 90 psi (6 bar) and a TPI of 300, ensuring a smooth ride. This tire is suitable for use on a cyclocross bike. Trust Challenge dune bike tires for the best performance during cross-country racing. Product specifications: Item number: 00720 EAN: 8855627007206 Brands: défi Model: Dune Pro Material: Superpoly Cycling type: cyclocross bike Net weight (G): 415 Maximum pressure (PSI): 90 Maximum pressure (bar): 6 Type of tread: folding tread TPI: 300 Segment: Cyclocross Tire size (French): 700x33c Passing tread: 33 inside or to tire: outer tire (Etro) Tire size: 33 - 622 Color: brown / black