Nothing will come as a shock with this epic upgrade! The Suspension Seat Post is one of our most popular accessories, featuring adjustable height and coil spring suspension for a smoother ride. An adjustable coil spring suspension integrated into the seat delivers maximum shock absorption. Easily adjusts to individual height with the latch of a seat clamp. Installation is quick and easy! Compatibility: Lectric XP (XP 1.0, XP 2.0, XP 3.0, & XP4 Models) Lectric XP Lite (1.0 & 2.0 Models) Lectric XP Trike (Model 1 & 2) Lectric XPeak (1.0 & 2.0 Models) Lectric XPress Lectric XPress2 (Cruiser, Commuter) Lectric ONE NOTE: The Suspension Seat Post for step-thru eBikes| New Window is a different length than the Suspension Seat Post for mid-step or high-step eBikes. Please ensure the correct seat post is selected for your Lectric eBike model. When inserting the seat post into the seat tube, the minimum seat height will be raised approximately 3”. Product specifications: Suspension Seat Post length: 20” (500mm) Suspension Seat Post diameter: 1 1/4” (31.8mm) Suspension: 40mm of travel Engineered for riders up to 220 lbs. Instructions: Installation instructions for the Suspension Seat Post can be found here.