Underground Custom Cycles

The Athletic Shop, Chattanooga's Oldest Most Reliable Sporting Goods Store, Open Since 1973!

American Bicycle Group is comprised of various companies, including Quintana Roo, Merlin and Litespeed. Quintana Roo offers a range of triathlon-specific bicycles, including the Lucero Lite, Lucero, Caliente, Dulce, Seduza, Tequilo, Chicqilo and Split models. Quintana Roo also provides wet suits, as well as a variety of accessories, such as race belts, swim caps and speed sleeves. Operational for more than 25 years, Merlin specializes in designing and manufacturing titanium-frame bicycles for road and mountain use. American Bicycle Group also operates Real Design, which was established in 1995 and offers a range of wheels, carbon fiber forks, seat posts and computer numerical control (CNC)-machined stems.