This is the new 2021 Honda CRF450R whip mount. This whip mount mounts up on the muffler side of the dirt bike.
Just remove the right side number plate. Then remove the muffler mounting bolt, then slide in the HRF whip mount over the muffler mounting point. Install the muffler mounting bolt, then reinstall the number plate and lastly the number plate bolt. Now you are ready to ride with the new 2021 Honda CRF450R whip mount.
**** HRF RECOMMENDS USING A 1/4" OR 5/16" THICK SAFETY FLAG. DO NOT USE THE BIG 3/8" THICK BUGGY/TRUCK FLAGS. THESE ARE TOO BIG FOR BIKES ****