http://www.roverparts.com/Parts/LR019990ABP.cfm
Is this it? For just a bike rack, that one would be fine. However, I did notice that the AB one is rated for 5k/500lb tongue. The LR one is rated for the full 7716/770. If you tow, I'd go with the LR one. If you are in the US, give Rover Land...