The new Chinook RDG is a super windsurfing boom that is stiff, light and versatile. At just 24.5mm in diameter, the extra small grip feels great in your hands, and performs awesome on the water. This makes windsurfing freestyle tricks and sail handling a breeze because it feels so light and natural while you flip the rig into your next jibe or trick! With a removable shim, the Pro-1 front end fits either standard or reduced diameter masts, so you have ultimate flexibility in your quiver. The back end adjustment is held in place with 2-pin stainless steel vertical slide collars. The new 50cm tail is stiffer and gives a straighter, more modern bend curve, and the loop-n-go outhaul block makes it easy to outhaul your sail because it keeps your sail centered. The Chinook RDG (reduced diameter grip) carbon boom also features harness line markings so you can get your windsurfing kit set up right before you go out onto the water. You also get a slick look with the black and vibrant green colors!