Designed to fix onto a single seatbox leg without requiring any other support Unique oversized leg block creates extremely secure fixing point Side tray sits closer minimising the gap between seatbox and tray New outer extrusion shape provides additional rigidity Large (57cm x 45cm) XL (57cm x 57cm) Fit 25mm, 30mm and 36mm round legs (note these trays arent compatible with F25 or P25 seatboxes)