Thule Helium Pro 3 Bike Hitch Rack Item # 9043PRO The lightweight Helium Pro 3 aluminum hitch bike rack provides outstanding bike protection and easy-on, easy-off convenience. At half the weight of steel hitch racks, the Helium Pro provides easy handling. The arms fold down when not in use and the HitchSwitch lever gives you vehicle access. Carries up to three bikes Super lightweight aluminum construction makes for easy installation and removal Integrated anti-sway provides superior bike stability and fit and disappears when not needed Ample spacing prevents bike to bike contact, keeping them safe and secure during transport Compact cradle design accommodates a wide variety of bike sizes and frame style Ratcheting cradle straps quickly attach bikes and easily secure them to the rack Bike arms easily fold down when not in use HitchSwitch lever tilts the unloaded rack down for convenient vehicle access Integrated cable lock secures bikes to the rack Tool-free SnugTite stinger quickly installs and locks the rack to your vehicle (lock included) Thule One Key System-compatible (two lock cores included) Thule BringIt! limited lifetime manufacturer guarantee