CURT 45331 Trailer Hitch Ball Mount with 2-5/16-Inch Trailer Ball & Hitch Pin, Fits 2-Inch Receiver, 15,000 lbs. GTW, 2-Inch Drop bike Prevents trailer ball from being cover Size:5 on 5.5" B35-3014 Includes 2 separate extensions

CURT 45331 Trailer Hitch Ball Mount with 2 5 16 Inch Trailer Ball & Hitch Pin, Fits 2 Inch Receiver, 15,000 lbs. GTW, 2 Inch Drop bike Prevents trailer ball from being cover Size:5 on 5.5" B35 3014 Includes 2 separate extensions Prevents trailer ball from being inserted into the coupler Fits 2" and 2 5 16" flat and rolled lip couplers Features a strong aluminum body for reliable security Protected by a grey powder coat finish Includes two keys for added convenience Limited lifetime warranty (one year finish The towable shank also accepts an anti rattle kit and has a tilt away feature that allows for convenient tilting of the bike rack