Original Cabrinha's In / Out valve. Valve is welded on adhesive Tear Aid Type A stick on valve base for easy & quick repair. Slingshot uses the same valves, you can also replace similar mini boston valves with this one if you can not find the right one. It has pre-installed velcro and additional TPU protection layer, just like the valve on the inflatable bladder. This is the only proper valve setup of this type and you will not find it anywhere elase. Monsterous XL 120mm adhesive base has more than 2.7x bigger adhesive surface area compared to standard adhesive valve base. All Dr.Tuba kite valves are available on two different adhesive base sizes - standard 78mm and Mega base of diameter 120mm. Dr. Tuba also moved from Tear-Aid to new Ultra adhesive patch material. This ensures permanent bond on different bladders from all brands and additional re-positioning the patch in early, crucial stages of installation. This is the best option for replacing faulty original valves on bladders fro