When biking on rocky terrain and all day riding on the trails, keep a spare bike tube in case of flats with the Nishiki® Presta Valve 29’’ 2.4-2.75 Bike Tube. This bike tube fits your 29’er mountain bike and is equipped with a Presta valve that is 33mm in length. It fits tires that are 2.4-2.75" wide and will get you back on the trails in not time.
