Ключевые слова: below zero, bicycle, bike trip, cold, cool, cross country, cycle, disc brake, eco, endurance, enduro, extreme races, extreme weather, feel freedom, felloe, felly, field, freeride, freeze, frost, healthy lifestyle, icy, low temperature, mechanism, melting, mtb frame, mtb riding, rim, slippery trail, slope, snow, snow nature, snowdrift, snowflake, sport, spring time, springtime, test drive, tire track, training, tyre mark, tyre tread pattern, way, wheel, winter biking, winter landscape, winter riding, winter sport, wintertime,