The Challenge Elite PRO Tubular Road Tyre is a durable and economical choice for training and racing. It is designed to handle rough roads, making it suitable for winter and spring training. The tyre can be folded for easy on-bike storage as a spare. It features handmade tubular construction, a Poly casing, and PPS flat protection. The tyre has 220 TPI and a Butyl inner tube. It is recommended for road training and is available in sizes 700x23mm or 700x25mm, with an internal rim width of 13-15mm. It weighs approximately 295g and can be inflated to between 7-12 BAR (100-175 PSI).