Primo Griffin Guard Sprocket Size:25T Maximum tube protection from spokes

Maximum tube protection from spokes and burs on rims

Made with input from Ben Lewis to protect you chain during crooks or slide nicely when in a crank arm grind

fully ventilated rear mesh for maximum cooling

This chain is expensive but could be the last chain you ever buy

minor impact

Primo Griffin Guard Sprocket Size:25T Maximum tube protection from spokesThe Primo Griffin Guard Sprocket takes the simplicity of a solid sprocket style and 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 and weight. The Griffin Sprocket comes with 19mm and 22m adapters with an engraved Griffin design to finish. ###section### Product Specs TYPE: Bolt On MATERIAL: Aluminium WEIGHT: 190g (6. 72oz)