The Aero 700×19/25c Butyl Tube is made from high-quality welded butyl rubber, offering durability and excellent air retention. It features an 80mm long Presta valve, providing a secure and easy fit for inflation. Compatible with 700c road, time trial, and cyclocross wheels, this inner tube fits tire widths from 19mm to 25mm. Built to resist punctures and wear, it ensures long-lasting performance, making it an ideal choice for cyclists seeking reliability and convenience.