Pro F8 Taper Bar. RFX Pro Series F8 Taper Bars are designed and tested at the highest competition level. Manufactured from 7075-T6 aluminum, F8 Taper Bars feature Oversize Taper Extension (OTE) technology for optimal strength and crash resistance, while Engineered Flex Technology (EFT) and Progressive Damping Control (PDC) provide calibrated flex and reduce machine vibration to minimize rider fatigue. Features: 7075 aerospace aluminum construction. T6 heat treatment to increase tensile strength. Incorporated cross brace design. Shot peened finish to prevent surface stress fractures and increase service life. Oversize Taper Extension (OTE) to reduce crash damage. Engineered Flex Technology (EFT) to reduce rider fatigue. Progressive Damping Control (PDC) to reduce machine vibration. Knurled grip area to prevent grips slipping and twisting.