Zhengxin Cst 700C*25/28Mm Road Bike Ultra-Light Cloud Inner Tube American/French Valve Tire for Mountain Bikes

This Zhengxin CST inner tube is designed for road bikes and mountain bikes, offering an ultra-light cloud design for enhanced performance. It features an American or French valve for compatibility and is suitable for various tire sizes including 700C*25/28mm, 26*1.9/2.125, 27.5*1.9/2.125, and 29*1.9/2.35. Available with different valve lengths (48L, 60L, 80L) and valve types (American/French mouth).