Looking for the most comfortable ride out there? The Support Seat will give you the wide saddle you're looking for & a supportive backrest! Specially-engineered gel padding absorbs the shock of your ride for smooth cruising Adjustable backrest is perfect for a variety of rider heights Quick and easy to mount & compatible with any seat post Compatibility: All Lectric eBike Models Most standard bicycles or eBikes What's in the box: Support Seat Saddle Note: Seat Post not included. Product Specifications: Saddle Dimensions: 9.5'' Length x 11.5'' Width Backrest Dimensions: 7.75''Width x 7'' Height Backrest Adjustable Height 4.5'' Material: Iron and PU leather ?Gel Pad Instructions: Click here| New Window to view installation instructions