Race Face Race 9 Speed Chainring - 4 Bolt

• CNC machined from 7075-T6, one of the strongest alloys available today
• Outer rings are made from 4mm thick material & inner ring from 5mm thick material for unsurpassed durability
• Rings feature our patented S.H.I.F.T. technology, featuring hard-wearing steel S.H.I.F.T. chips for dual action up-shifts