Other

Riser kits increase stack height to fit a wide range of riding styles for efficient positioning; compatible with ZBS Aerobars, T Plus Carbon Series Aerobars, T Plus Aluminum Series Aerobars, Supersonic Aerobars, Sonic Aerobars, and Subsonic Aerobars. - Multiple kits can be used to reach desired height up to 80mm rise - Raises armrest and extensions together to maintain a comfortable wrist position - Kit includes a pair of risers, bolts specific to riser size, and mounting hardware - Risers are compatible with J2, J3, and J4 Aerobar brackets - Clamp diameter: 31.8mm

The Race and Ergo Ultra pads allow riders to tune their setups for a snug fit. - New foam that resists being crushed for longer periods of time - Improved surface durability - Superior grip with a molded-in textured surface - Compatible with both the Ergo and Race armrest kits - Dimensions: Race (92.9mm x 887.5mm) or Ergo (108.4mm x 87.5mm) - Compatibility: Race / Ergo - Weight: 5mm: 21g / 10mm: 37g

Profile Design's F-19 Replacement Pads are the correct ones for their F-19 armrests. These pads feature Lycra-covered medium-durometer foam and are held on with Velcro backing.