Product Description Dive into the world of cyclocross and gravel riding with the Challenge latex inner tube, designed to offer unparalleled performance on even the most demanding terrains. Crafted from high-quality latex, this tube provides exceptional elasticity, allowing for a smooth and responsive ride that can handle the bumps and challenges of off-road cycling. Its lightweight construction ensures that it won't weigh you down, making it perfect for racers and enthusiasts alike who are looking to shave off every possible gram. The superior puncture resistance of latex means you'll spend less time fixing flats and more time enjoying the ride. This tube is specifically tailored for the cyclocross and gravel riding community, ensuring a perfect fit and optimal performance for your adventures. Product Specifications: Application:Cyclocross, Gravel Tube material:Latex red | Presta Valve (SV) | 33-622 to 40-622 | 48 mm: Valve Type:Presta Valve (SV) ETRTO:33-622 to 40-622 Length:48 mm red | Presta Valve (SV) | 33-622 to 42-622 | 60 mm: Valve Type:Presta Valve (SV) ETRTO:33-622 to 42-622 Length:60 mm Product Features: Seamless latex tube for cyclocross and gravel bikes.Offers excellent shock absorption, resulting in a more comfortable ride even on rough terrain.The latex material provides lower rolling resistance, making for a more efficient ride.Removable valve core. Manufacturer Number: red | Presta Valve (SV) | 33-622 to 40-622 | 48 mm: 80004 red | Presta Valve (SV) | 33-622 to 42-622 | 60 mm: 80016 Contents: - 1 x Challenge latex tube Cross/Gravel Weight: red | Presta Valve (SV) | 33-622 to 40-622 | 48 mm: 90 g red | Presta Valve (SV) | 33-622 to 42-622 | 60 mm: 85 g Manufacturer: Challenge Tires Via Montello 18 31050 Fregona (TV) Italy [email protected]