Our inner tubes are made of isobutylene isoprene rubber, better than natural rubber in air tightness, elastic damping and aging resistance.


Available in 3 sizes


12"-2.15" for 2.15" to 2.25" front wheel width,

12"-2.5" for 2.5" to 2.75" front or rear wheel width,

12"-3.0" for 3.0 to 3.5" rear wheel width.


To increase durability, we recommend to add baby powder to inside tire wall before you put on inner tubes.



73motoparts 12" Minimoto Inner Tube with Angled Valve Stem