Size: 32mm Schrader valve. Replacement bike tube for 26" x 4.0 fat tire bikes, mountain bikes, electric bicycle, electric motorcycle and electric tricycle. Easy to Install: The package comes with 2 ...

On the face of it, the stem may seem like a fairly mundane, if essential, bike component, connecting the fork steerer to your handlebars. However, the stem has a significant effect on your bike’s ...