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’’ 2.125-2.25 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 2.125-2.25 wide and will get you back on the trails in not time.

FEATURES:

• Replacement bike tube
• Best for mountain bikes
• Fits 29” tires with a width range of 2.125-2.25
• Valve type: Presta
• Valve length: 33mm
• Tube width: 50mm
• Tube thickness: .95mm