The Givi SR1191 is a specific kit required to install a Monolock or Monokey top case onto HONDA models:
CRF300L 2021-

Features:

Direct bolt-on application

Mounting hardware included

Durable finish

Max Load: 6kg

Plate NOT included

NOTE:

FOR MONOLOCK CASES - The GIVI SR1191 Top Box Rack must be used in conjunction with the universal base plate supplied with new GIVI Monolock Top Cases.

FOR MONOKEY CASES -The GIVI SR1191 Top Box Rack must be used in conjunction with the universal E251 MONOKEY base plate (Sold Separately).

* Top Case, side cases or other shown accessories are for illustrative purposes only, not included.