Joined: Dec 2004
Posts: 12,537
Likes: 791
From: Middle of da Mitten
Bikes: Trek 7500, RANS V-Rex, Optima Baron, Velokraft NoCom, M-5 Carbon Highracer, Catrike Speed
RANS seats had that problem for a while. The seat pan was mounted too far forward on the seat frame. Cut the lip off the pan in back. I don't think there's a reason for the lip to be there in the first place.