The Airstryke II is intended to allow riders to add aerobars to their road or adventure bike without having to be too extended from the bike. The comfortable grip angle, and the smoothly curved, cushioned armrests offer a relaxed position for long days in the saddle. Features: Airstryke aerobars with Flip brackets and Ergo armrests Comfy, ergonomic bar that is not too long, not too short Fits 31.8mm handlebars Specifications: Armrest Offset: -85mm to 17.5mm in 7.5mm steps Armrest Width: 131mm to 298mm in 18.5mm steps Armrest Stack: 40mm Length: 150mm Diameter: 31.8mm Material: Aluminum Color: Black Weight: 592g Includes: Arirstryke II aerobars L2 Flip-up brackets Ergo armrests