【Wide Application】RUTU 12.5x2.25/2.75 inner tube is great fit for dirt rocket bike MX350 MX400 electric scooter stroller X-Treme X-560 eZip E-500 E-750 E-900 E-1000, Mongoose M350 M500 Z350, 2 stroke 47cc 49cc pit dirt bike and other scooters with same tire size
【Longer Service Life】This 12.5 x 2.50 inner tubes for tires are made of heavy duty butyl rubber, which has 45% more rubber content and 4.8x more stretch. Provides a longer service life, suitable for all seasons
【Premium Material】The butyl rubber inner tube has better air tightness, tear resistance and shock absorption than natural rubber tube. Protect yourself and your kids from the brunt of rough terrain and explosive puncture
【Smooth & Safe】The outer tire is made of high-strength and wear-resistant rubber for longer tire life. When driving on muddy and slippery tracks the deep and expertly engineered square tread patterns allow for enhanced grip and traction. Make your ride smoother and safer
【Easy to Inflate】The TR87 bent valve stem is easier to inflate than straight valves. Good air tightness allows it to be inflated only once every 6 months if used properly