@jeff brines - New seat stay for 2020 Stumpjumpers, is not tapered like the OEM for 2019 Stumpjumper and other bikes that shared that original design. I have just received a crash replacement seat stay, and the bike (XL Comp Carbon 29) is noticeably different!!! Lower gears are “easier” to pedal/hammer, increased acceleration Climbs better in huger climbing gears Maintains momentum ver chattery sections of the trail, bike does not drastically slow down and lurch me forward Running 260+- psi in rear Fox DPS Shock, I removed the .6mm volume spacer. The harshness is gone (don’t know what % seat...