Originally Posted by
1989Pre
Yes, I know I have to attach the rack to the seatstays. The supplied bars at Old Man Mountain (for their Sherpa rack) I have determined to be too long, but O.M.M. has offered to send me 9" ones, which should fit. The also kindly offered to sell me an unpainted rack (I don't want black). I'm hoping to avoid a seatpost attachment as part of the set-up, because my rear fender's clamp will occupy the area on the seatpost.
This is what I use, the Salsa Rack-Lock.

It works well with my Tubus Cargo (and the cheaper aluminum rack it replaced).