Polisport Universal Hand Guards MX Flow Honda CRF 250 R CRF 450 R 2021 - 2023, White / RedFEATURES Two mounting options Lever mounting system and universal handlebar system Large plastic guard to ensure the optimal protection for hands and master cylinder Universal handlebar fits on external diameter: 22 28mm (0. 87 1. 1) twinwall and fatbar Dual Material handguards Lever mounting system is model specific Vented design for airflow Mounting system bolted on the front of the plastic guard for easy installation and removal Mounting kits