CST Tube 29 x 1.9/2.5 PV48mm

Designed for 29-inch mountain bike tires with widths ranging from 1.9 to 2.5 inches, this CST inner tube features a reliable Presta valve measuring 48mm. Its durable construction ensures consistent air retention and resistance to punctures, making it an essential component for riders seeking dependable performance on varied terrains.

There is a reason this is CST’s most popular tube.

• Now with higher butyl concerntration = more flexible
• 29" x 1.9"- 2.5"
• Presta Valve 48mm Length
• .97mm wall thickness