Profile Design F19 Armrest Kit (Black) Armrest with 4 position foreft adjustment along with 15 degrees of rotational adjustment for a customized fit Compatible with all Profile Design Aerobar systems Constructed of 6061-T6 Aluminum for increased durability Includes F-19 standard pads with 16mm thick EVA foam with Lycra cover, and mounting hardware Pads and Armrests parts designed to customize the fit, angle of armrests, and comfort of Profile Design Aerobars.