Aeron/TPU City/Tour UltraProtect / 37 50 Presta Valve 42 700C

High-Performance AERON/TPU Bicycle Tubes for City and Touring Designed for touring enthusiasts and everyday cyclists prioritizing safety, these tubes offer ultimate puncture protection. Developed for riders seeking maximum reliability in daily use, the AERON/TPU tubes excel with optimized puncture resistance and lightweight construction. Perfect for city commuting and touring, they feature a multi-layer design that ensures durability and performance. With a Protection Level 6 rating—combining ultra-high puncture resistance, durability, and excellent air retention—these tubes are up to 51% lighter than conventional options, reducing rolling resistance and enhancing riding speed. Suitable for tire widths from 50 to 65 millimeters, they deliver a perfect balance of safety, efficiency, and fun on every ride.