RIDE Engineering customizes your motorcycle to optimize performance while enhancing its appearance. All RIDE products have been thoroughly track tested by professional racers for performance and durability. They combine rider's feedback with RIDE Engineering experts to produce the highest quality products available at a fair price. These 5 or 7 mm tall aluminum spacers can be used to raise the height of all Ride Engineering bar mounts. Detailed Specifications: Notes: Does NOT work with KTM replacement mounts, or KT-BBM00-CA (works with AF-BBM00-CA, KX-BBM00-CA, KX-BBM78-00, MX-BBM00-CA, CR-BBM78-00, RM-BBM07-CA and YZ-BBM00-CA). A 2" long 7/16 x 20 hex bolt will be needed for AF-BBM00-CA and AF-BBM85-CA (not supplied). Use post CR-BMS00-SS for KX-BBM00-CA, KX-BBM78-00, RM-BBM08-CA; Standard height post CR-BMS00-SS is okay for MX-BBM00-CA, CR-BMS78-00, YZ-BBM00-CA and RM-BBM07-CA.