Easily install onto your Front Runner Rack in minutes. No front wheel removal necessary. Suitable for all bike sizes all frame styles including composite carbon frames all thru axle and brake configurations as well as Lefty forks and full suspension bikes. Front wheel holder is easily adjusted and holds the bike steady while the rear Wheel Holder is secured. Adjustable to secure most wheel diameters including road bikes, MTB and fat bikes with tire widths ranging from 18mm/0.7'' up to 132mm/5.2''. The carrier folds flat and secures onto your rack when not in use. Bike can be locked using RRAC135. Constructed with same weather resistant stainless steel and powder coating as the Front Runner racks and mounting systems.