Full CNC machined 6061 aluminum sprocket. 6.5mm thickness. 10mm thick nylon guard. Hardened steel bolts.
• SUPER TOUGH LOW FRICTION 10MM NYLON/FIBREGLASS GUARD
• 5X BOLT INTERFACE FOR INCREASED DURABILITY
• 23.8MM BORE HOLE (WITHOUT ADAPTER ADDED)
• INCL. 3 ADAPTERS TO FIT 19MM AND 22MM SPINDLES