Features:Unique crank-grabbing design holds multiple frame styles.Two bike capacity with 925.2" receivers can utilize 926 to get 4 bike capacity.Includes integrated cable lock for locking bikes.Compatibility and Restrictions: 925 replaced the docking station 940/941 in 1999.The 925 carries 2 bikes.The 926 add-on carriers 2 additional bikes.The 925 is a carrier module and requires the purchase of a base unit (920-922) to carry equipment.Do not exceed tongue weight for your hitch.Not for off road use.Hitch carriers will increase the overall length of vehicle, use caution when backing up.Do not operate vehicle without carrier in upright and locked position.Construction and Materials: Structural steel, black powder coated.Non-marring rubber boot.