Bar Mount Spacer Kit. These aluminum spacers can be used to raise the height of all Ride Engineering bar mounts (sold separately). Sold as a set. 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.