Deluxe locking hitch pin and 8’ security cable allows you to lock the rack to vehicle, and the cable allows you to locks bikes to rack and/or vehicle. Only sold as a kit. FITS TESLA MODEL Y Smooth Locking Hitch 5/8 Pin Fits all 2" Sport Rider SE racks and Destination E racks Keyed alike - 2 keys included Locking hitch pin diameter: 5/8" Length with the locking cylinder installed: 3-1/2" (90mm) Length without the locking cylinder installed: 4-3/4" (120mm) Security c able lock length: 8' Style: Side Mount / Round Locking Head Part Number: DLPCH Threaded Locking Hitch 1/2-13 Pin Fits RV Rider racks, Trail Rider racks, Sport Rider 2 racks and the Sport Rider for Electric Bikes rack (1-1/4 version only) Keyed alike - 2 keys included Locking threaded hitch pin-bolt is: 1/2"-13 TPI Length with the locking cylinder installed: 3.5" (90mm) Length without the locking cylinder installed: 4.5" (115mm) Security c able lock length: 8' Style: Side Mount / Round Locking Head Part Number: DLPTCH