Ключевые слова: below zero, bicycle, bike trip, cassette, chain, cold, component, cool, cross country, cycle, endurance, enduro, extreme races, extreme weather, felloe, felly, field, freeride, freeze, frost, gear shifter, icy, low temperature, melting, mtb crank, mtb riding, pedal, rim, slippery trail, slope, snow, snow nature, snowdrift, snowflake, sport, spring time, springtime, test drive, tire track, training, tyre mark, tyre tread pattern, water, way, wheel, winter biking, winter landscape, winter riding, winter sport, wintertime,