Driven Racing Halo Stainless Steel Bar End Mirror778683627 Product Description Feature a stainless steel ball and cup system which allows the mirror to adjust infinitely to achieve the best viewing angle and to fit the bike style and the rider's ergonomics Machined out of a solid block of 6061 T6 aluminum using 3D machining to create the best looking and working mirror to date Flip in function allows the mirror full flip in adjustment during heavy traffic Notes Fits most bikes with hollow bars;