Projekt Bike - 4pcs, 700x23/25C Road Bike Inner Tube, Presta 48mm with Solid Brass Stem for Deep Section Rims, Fits 700x23/25mm Road Tire,durable and Reliable Butyl Inner Tube for Road Cycling, Training and Commuting Durable tubes various in long and standard valve stem lengths to suit normal and deep section rims High air pressure retention! Good value Road, BMX, Mountain, Fixed Gears, Fixies, Track, Singlespeed Bikes Please check your tire and tube size to get accurate sizes for your bike