- Saddle angle adjuster for dropper seatposts, that offers 2 positions and 6 degrees of adjustment, actuated with a small lever under the saddle nose - Nose of the sadle will drop about 14mm to put riders in the optimal position for climbing - Fits standard 7mm saddle rails - Standard Seatswitch Type 1 fits Bike Yoke, Manitou, Turnon, and E*thirteen seatposts. - Shim Type 1 is needed to fit OneUp V1 & V2, PNW Loam (2020), Coast (2021), & Pine, Raceface Aeffect R (2019), Chester, Next SL, TranzX - Shim Type 2 fits Cannondale Downlow, Crankbros Highline 3, e*thirteen Vario, FSA Flowtron, Giant Contract Switch, KS EXA Form 900i, Lev Integra, and Rage, Manitou Jack, Rockshox Reverb Stealth, SDG Trellis V1, XFusion Manic, and more - Shim Type 3 fits Fox Transfer (2020-2024) and Raceface Turbine R - Shim Type 4 fits Rockshox AXS posts