Locking Strap Golf GPS Trolley Mount Holder fits SkyCaddie Aire (sku 21195) Locking Strap Golf Mount suitable for the SkyCaddie Aire Golf GPS. The Locking Strap is the most universal mounting option we have found. Suitable for square, oval & round handlebars, frames, poles or bars. Fits minimum diameter of 21mm & maximum diameter 40mm.