Narrow wide chainrings compatible with Race Face CINCH system cranks. Direct mounting allows an easy switch between rings and spiders. - Compatible with 9, 10, 11, and 12 speed - Narrow Wide tooth profiling ensures consistent chain retention - Lockring installed/removed with ISIS BB tool - Stiff 4mm plate thickness to transfer loads without flexing

RaceFace Narrow Wide Chainrings feature tooth profiling for chain retention and a blend of weight and durability suitable for XC, DH, and everything in-between. - 7075-T6 aluminum, aerospace grade strength - Compatible with 9, 10, 11 and 12 speed - Stiff 4mm plate thickness and I-beam construction transfer loads without flexing - Reversible laser etched graphics - Non-threaded bolt holes

• 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