Specialized Bicycle Tube 29" X 1.75/2.4 40mm Presta Valve x50 Hand-activated disc brake – for

Hand-activated disc brake – for increased control on steeper terrain and while running

Made to withstand your most intense training sessions

Extra-comfortable and fully padded seats – removable and easy to clean

Reclining seat – convenient one-hand recline

plus it's compatible with most seatstays (Aero strap mount available separately)

Specialized Bicycle Tube 29" X 1.75/2.4 40mm Presta Valve x50 Hand-activated disc brake – forTubes are the one thing we all need to go riding. Specialized tubes are lightweight, consistent in quality and exactly the right size. Features: 0. 8 mm thick for less rotational weight in a standard tube