The Airstryke ii takes the features of the ever-popular Airstryke and adds an extended fit and a more comfortable armrest. The flip-up mount and classic shape remain.Performance:The Airstryke II is designed to allow riders to add aerobars to their road or adventure bikes without losing the ability to keep the handlebars close to the stem. The comfortable grip angle and gently curved armrest provide a relaxed position for long days in the saddle.Customize data: - Armrest offset: -85mm to 17.5mm in 7.5mm increments - Armrest width: 131mm to 298mm in 18.5mm increments - Armrest stack: 40mmOrgin:As one of the most popular models in the history of aerobars, it seemed appropriate to update the popular Airstryke with its new generation fit and comfort-oriented armrest. They didn't want to change the elements that have made the bar so successful, and the changes made only improve adjustability and comfort. Dimension - Handlebar clamp (mm): 31.8 mm Main information - Type: handlebar attachment - Material type: aluminum Other - Weight: 592 g.