This is a pack of two optional Hot Racing 108mm Rear Suspension Travel Limit Strap intended for use with the Traxxas UDR. Hot Racing scale functional suspension limit straps limit suspension travel for Traxxas UDR Limit straps are used to take stress off shocks and to control suspension extension. when crawling up or descending steep grades, straps tied to the center of an axle are useful to limit the suspension from unloading and the vehicle from rolling, all while keeping suspension articulation intact. From climbing, to droop control, to super scale looks, these limit straps will get you further and get you noticed! Features: Woven 2-ply Nylon fabric strap material CNC machined aluminum clevis buckles, anodized Red in color Specifications: Eyelet hole size: 3.3mm (0.13 inch) - for a 3mm screw NOTES: These straps are made from 200 lb. test nylon and offers minimal stretch to provide a consistent strap length and to protect against overextending shocks Tested on extreme off-road terrain Strap lengths are measured from the center of the mounting holes and are accurate to +/- 3mm This is the replacement of TRA8548