iKamper RTTs have two rails underneath the main panel, and are mounted on your cross bars with adjustable mounting brackets. Check the spacing of each model's mounting rails below to make sure it fits your rack. The rails are 1.77" / 4.5cm wide and 0.98" / 2.5cm tall.. iKamper believes that the best times are those spent traveling and discovering the world with family and friends, and our mission is to enable you to conveniently do just that. As a proudly South Korea-based company with a dedicated US team in the Pacific Northwest, we recognize that diversity and inclusion bring value to our brand.. "/>Ikamper sheets