I have a hitch for my track trailer from these folks. [
www.willwoodsystem.com]
They also do bike racks but I don't have any personal experience with them. The hitch is well made and they've been around for a while. Many of the cars that pull trailers to DEs use them.
Dave - 06 987 S coupe SG/NL; gone (but still my first love): 03 986 AS/GG/BK;