Cult's Panza Conviction Guard Sprocket is an insanely strong piece with an oversized full guard. Made from 7075 aluminium that's strong and durable with a nylon sprocket guard that adds protection to your cranks and chain. The Cult Panza comes with adapters so you can run the sprocket on 19mm, 22mm and 24mm spindles. ###section### Product Specs TYPE: Replacement Guard MATERIAL: WEIGHT: 117.9g (4.16oz) Colour: Black; Size: 28T, 25T