The Odyssey Utility Pro Sprocket is their latest guard sprocket opting for a removable plastic guard that reveals a classic, clean looking sprocket underneath. Built from CNC machined 7075 aluminium for lightweight strength and durability, the removable injection-molded plastic bash guards offers enhanced durability, smoother grinds and chain protection. ###section### Product Specs TYPE: Bolt On MATERIAL: Aluminium WEIGHT: 150g (5.29oz) Colour: Black, Anodized Red; Size: 28T, 25T