The clement las tubular is a cutting edge cyclocross tire that combines the las tread with an innovative tubeless casing to create the ultimate tubular tire named after the most entertaining and exciting cyclocross race in america crossvegas the las for vegas airport code is our fastest cross tire best suited for dry conditions or grass courses key features tread the las nail file tread starts short and fine at the centre of the tire and gets progressively taller and coarser as it