Profile Design Sonic Aerobar Size:39a allowing you to tune both

allowing you to tune both the negative and positive air volume to perfectly match your bike

and minimal kickback on square-edge hits

The Grip Technology ensures the polyester headband stays securely in place during any physical activity

Black Inc Garmin Mount

TA 12x142Bearings Cartridge - SteelDriver Mechanism 3 Pawls Leaf Spring

Profile Design Sonic Aerobar Size:39a allowing you to tune bothThe Sonic Ergo is designed to present minimal frontal area to create as little aerodynamic drag as possible. The main purpose of an aerobar is, of course, to get the rider into a fast position and, despite its fairly minimalist appearance, the Sonic Ergo offers a comprehensive fit range for exactly this purpose. Fit Data: Armrest Offset: 70mm to 2. 5mm in 7. 5mm steps Armrest Width: 124mm to 290mm in 18. 5mm steps Armrest Stack: 60mm to 70mm** in 5mm