fat bike

Etymology
From, from the fat tires such bicycles are equipped with, and their correspondingly wider frames needed to accommodate the width of the tires.

Noun

 * 1)  A bicycle equipped with larger than normal tyres and a wider frame to accommodate them, which provides better traction on off-road surfaces such as sand or snow.

Translations

 * French:, vélo hivernal, vélo sur neige , , ,
 * Russian: ,
 * Ukrainian: фетбайк

Etymology
Anglicism.