Thule Upride Universal Mount Bike Carrier. Features: Get maximum stability with this upright roof-mounted bike carrier which secures the front wheel of the bike by both the front and rear and makes no contact with the frame SecureHook holds the bike by grabbing the front wheel while a padded clamp holds the rear of the front wheel Ratcheting wheel strap quickly secures back wheel to tray Corrosion resistant double-wall aluminum tray provides maximum strength and rigidity Versatile design accommodates bikes with disc brakes, thru-axles and other non-traditional frame designs Fits most 20" to 29" wheel diameter bicycles with tires up to 3" wide. For larger sized wheels use XT-1331 sold separately Includes rear cable lock Two One Key lock cylinders lock the bike to carrier and carrier to rack (sold separately, use part number XT-204*) Specs: Model: Upride universal mount bike carrier Color: black/silver Rails: aero, square, round, most factory