The Triumph Bonneville's seat is known for its board-like comfort. The R65LS seat is much more comfortable over the distancein comparison. However, for both on a long journey, I use a Butt Buffer with my sheepie piece on top which is simply a chunk of sheepskin with and elastic under it. The elastic goes under the Butt Buffer which holds onto the seat with two clips that go under the bottom seat edge. Took me in reasonable comfort on day after day rides. Not perfect but...