Clamp Fits ø25.4~ø31.8mm (shims Incl.) Material Aluminum Bag Compatibility RX QuickTrack™ System Max. Weight Capacity 7 kgs / 15 lbs Added Features Rubber Bungee Clip for RedLite Size (L x W x H) 43 x 11.5 x 23 cm 16.9” x 4.5” x 9.1” Weight 555 g / 1.22 lbs