This bike rack holds 2/3 bikes depending on the make of your car. Can hold up to 45kg with each bike not exceeding the maximum 15kg per bike each rack will hold. Bikes over 15kg cannot be held by this rack. It has a frame adaptor for non standard frame bikes such as BMX. Please check the link below for car compatibility and how to install before reserving this item as it is not compatible with all models of car. https://support.decathlon.co.uk/boot-car-bike-rack-btwin-300-2-3-bikes-3