Carries 3x road bikes easily or 2x large mountain bikes, we have had 3x large enduro mountain bikes on but it was a squeeze. A child's bike would probably be ok. Felt very sturdy and secure in use, this is the carrier that Renault dealers supply for their cars but obviously universal. Features tilting mechanism for boot access. Includes 6x extensions for long wheelbase mountain bikes, 2x strap extensions, 4x locking adjusters (unused)