Pro-One Inner Shift Arm For Harley Enhance your ride's style and functionality with the Pro-One Inner Shift Arm, a seamless extension of the Pro-One T-Rex series. It's time to elevate from the standard shift arm and complete your customization with sophistication. Features: Direct OE replacement CNC Billet 6061 Aluminum Available in chrome, black anodized, or titanium nitride coated finishes Pro-One began in 1989 with the desire to be the most recognized supplier of billet aluminum accessories in the world. Since that time, knowing that customers insist on the very best products available they have continued to offer the very finest products and service in the industry.