Blackburn 29" X 2.1-2.3" Heavy Duty Bicycle Inner Tube, Schrader, with Tire Levers

• 20% thicker tube helps prevent flats
• Bonus: two tire levers included to ease removal and installation
• Works with these bikes: Mountain
• Mold cured rubber for consistent side wall–prevents high pressure blow outs
• Schrader Valve Type

Blackburn's Heavy Duty Inner tubes feature a 20% thicker casing under the tread to resist flats better than a standard tube. Their high quality mold-cured rubber creates consistent thickness without weak spots. Blackburn Heavy Duty tubes also include a pair of nylon tire levers to make removal and installation a breeze. Available in the most popular sizes to fit most bikes.