Parametric Slider Model for 3D print CAD'd in Fusion360 https://a360.co/35Lhegh STL is in same root directory as this notes.txt file hopefully Similar products (might not be compatible with Burley's rail design) https://store.bicycleman.com/products/bike-e-seat-sliders https://www.ebay.com/itm/175149090669?hash=item28c7b3076d:g:5yAAAOSw1fZdEh-1