The TreeFrog ELITE 1 can hold 1 bicycle (up to 12 kg). The double-layer polycarbonate board features 3 TreeFrog vacuum cups with an individual load capacity of 110 kg, 1 fork mount and 1 rear wheel mount with velcro straps. The Elite 1 rack is recommended for road, gravel, triathlon, cyclocross bikes. Do not use it with electric bicycles or mountain bikes! The universal fork mount can safely hold either one standard 9 mm quick release or a 15x100 mm fork(Boost spacer works with 15x110 mm mountain bikes) - no need to switch out fork mounts. It is also available with 12x100mm thru axle fork mounts, for road/triathlon disc brake bikes. The Elite 1 model is perfect for travelling to races or trainings.