VORTEX Rear Stand is a tubular design to ensure stability measuring at 1 diameter as well as four 4?? wheels for an easy pivoting motion. An axle holder is located on the arm to help keep part clean while removed. Supports motorcycle from swing arm and or swing arm spools with no extra hardware needed. Easy disassembly for shipping and storage.  Features      * Powdercoated carbon steel.     * For Most swingarm and spooled sportbikes.     * High-quality quad polymer wheels with ball bearings ensure a smooth and sturdy platform with easy hand-towing capability.     * Dual axle holder keep axles clean and off the ground.     * Special mini-bumper grommets protect surfaces against ground wear.     * Optional shim for Honda CBR929RR 00-02 and pair of 1/2 inch risers also available.