The lockable arms secure each bike, and the tilting system grants easy boot access. Tuv approved, foldable for storage, and compatible with european 50mm towballs, it's the perfect companion for your cycling adventures. carries up to 3 bikes total 45kg  sliding adjustable cradles that suit racing bike to mountain bike tyres  rapid lock quick release handle allows you to easily fit the carrier to the towball no tools required lockable arms are provided to secure each bike to the support bar  tilting system allowing quick access to the boot  compatible with european 50mm towballs  modern uk specified lights  extra lashing straps supplied for extra security when in use  supplied with a 13pin 7 pin adaptor  foldable for storage  tuv approved