Race Face introduces the lightest production carbon crankset on the planet thats has been proudly designed, tested & manufactured in their Canadian facility with US sourced carbon & aluminum. The NEXT SL combines proven Race Face proprietary hollow arm technology with their new ‘ Cinch’ interface. Comes fitted with a direct mount Narrow/ Wide chainring. The Narrow Wide tooth profiling ensures ultimate chain retention & attaches as part of the RF Cinch system (using common Park BBT-22 bottom bracket tool) allowing switching between DM rings/spiders with ease. A 30mm alloy spindle & compatibility across all relevant frame standards. Quite possibly the most versatile crankset you will ever own.