WEIGHT: 963g / 2.1lbs HEIGHT: XL 660mm / 25.9inch WIDTH: 580mm / 22.8inch Compatible with IHC compression Also compatible with SCS compression with slit removed MATERIAL: Aluminium INT. DIAMETER: Standard (28.6mm - 1 1/8inch) OUT. DIAMETER: Oversized (34.9mm - 1 3/8inch)