The Ultra Bee flex bar mount is the perfect setup to help cut hand fatigue and numbness from shocks transmitted to the rider Includes 2 different rubber densities to dial in your comfort level Blue is a softer 50 durometer hardness Red is the harder 70 durometer hardness Height Adjustable, OEM height or use the included spacer to be 1" taller fits OEM sized 1 1/8" bar (MX Size fat bars) Does not work with the optional steering stabilizer mount S-ULSTABILIZER-2