Specialized Bicycle Tube 29" X 1.75/2.4 40mm Presta Valve x50 Extra-comfortable and fully padded seats

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

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

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

Reclining seat – convenient one-hand recline

your fingers sit perfectly into the grip and allow you full control even in the roughest of conditions without being plagued by hot spots or blisters

Specialized Bicycle Tube 29" X 1.75/2.4 40mm Presta Valve x50 Extra-comfortable and fully padded seatsTubes 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