Profile Design T-Bracket Kit 1Lower and Tighter When you're in a time trial or triathlon, aerodynamics is your best friend. The more aerodynamic you can become, the faster you'll be overall. The Profile Design T-Bracket Kit 1 is designed to bring your arms in lower and tighter so you can be one with the wind. This kit works with Carbon X 1. 5, Carbon X, and Carbon Stryke bars. Features Designed to bring your arms in lower and tighter Compatible with Carbon X 1. 5, Carbon X, and Carbon Stryke bars Manufacturer's part number: ACTBKT1 | Profile Design | T Bracket Kit For A Lower, Tighter Arm Position | Aluminum