CLIP-ON, CLIP-OFF DESIGN - Quickly and easily clips on and clips off handle bar. Perfect for your bike, motorcycle, ATV, or UTV. CUSHION MOUNTED - Compass is cushion mounted within the ABS housing for improved shock absorption on rough terrain. LUMINOUS, LIQUID-FILLED COMPASS - The 20mm luminous compass helps you stay on course in low-light conditions. One of the must-have accessories for cycling, mountain biking, or riding. RUBBER SPACER INCLUDED - Rubber spacer allows you to snugly mount Clip-on Compass onto narrow handlebars. Perfect for kids' bicycles! NOTE: Not for use with steel or iron handlebars. Ferrous metals will cause inaccurate compass readings. Clip-on Compass will provide accurate readings on aluminum, titanium, or carbon fiber handlebars as long as there are no ferrous metals nearby. Clips on and off bike handlebar easily. Rugged copolymer clip holds tight. Compass is cushion-mounted and impact resistant. Luminous and liquid filled. Inner (removable) sleeve allows optional fit to smaller handlebar. Designed and final assembled in USA. For bike, cycle, ATV.