Ridefarr Arm Rest Kit V2Extra Comfy For Long Rides If you have a Ridefarr aero bar and want more comfort, you can get some forearm support. The Ridefarr Arm Rest Kit V2 adds a level of forearm support for those super long rides. It is perfect for gravel, bikepacking, and commuting. The Arm Rest Kit features a lightweight, modular design, vertical and horizontal adjustment, forged and CNC-machined alloy construction, 7mm custom EVA foam pads, and a 31. 8mm clamp diameter. Features7mm custom EVA foam pads and custom alloy armrest cups Designed for 31. 8mm diameter handlebars Total system weight: 222g | Ridefarr | Arm Rest Kit V2 31. 8Mm, Universal Kit | Aluminum