Provided is a sealant tire comprising a sealant layer on an inner peripheral surface of the tire, wherein, when a cross-sectional width and an outer diameter of the sealant tire are defined as Wt, in mm, and Dt, in mm, respectively, the sealant tire being ...

A puncture-free inner tube is provided that has excellent ride quality while achieving light weight and durability. The puncture-free inner tube has a hollow pipe shape, which is to be inserted in an annular space of an outer tire having an annular shape, ...

There is disclosed a green bike and a power generator thereof. The green bike (1) comprises: a frame (10), having a pedal (134), a front supporting unit (11), and a rear supporting unit (12); two wheels (200), attached to the front supporting unit and the ...