The Primo Griffin Guard Sprocket takes the simplicity of a solid sprocket style & adds a bash guard keeping your chain protected from grinds. It's made from CNC machined 6061-T6 aluminium for the perfect balance between strength, durability & weight. The Griffin Sprocket comes with 19mm & 22m adapters with an engraved Griffin design to finish. section Product Specs TYPE: Bolt On
Material: Aluminium WEIGHT: 190g (6.72oz)