Resolve rev2 expands upon the original Resolve while adding 34.9 diameter a 242mm travel option and new internals for 25% lighter actuation and better self-bleeding. It's lightweight keeps a low profile and will perform as expected every time it is needed. It also has a low lifetime cost of ownership because it is covered by Wolf Tooth Right to Repair and is serviceable at home. The Resolve Dropper Post uses a unique proprietary design with the patented Resolve self-bleeding cartridge at its core. Any air that gets into the fluid chamber is automatically purged with every up/down motion which means it never sags so there is no need for manual reset or purchase of new cartridges. It has the shortest stack height of any dropper post at 32mm and is one of the lightest dropper posts on the market when looking at grams per millimeter of travel.Designed developed and assembled at Wolf Tooth in Minnesota USA with CNC machined parts 100% user-serviceable by any experienced home bike mechanic7075 and 7050 aluminum for the structural partsSelf-bleeding cartridge that removes air from the fluid chamber with every actuation while rev2 features even faster self-bleeding when compared to rev1Short insertion length is vital for smaller bikes frames with curved seat tubes and frames with seat tubes that have bottle bossesCable actuated with infinite height adjustment lever sold separatelySpacers for travel adjustment available individually or as kits