Personalize your wide range gearing with one of eight available X-SYNC™ chainrings.Key Features:Super wide gear range—a perfect fit for any rideOptimized gear steps across entire rangeCompatible with non XD™ driver bodyFully compatible with all SRAM 1x™ drivetrainTHINGS TO REMEMBER• Heat-treated steel cogs with aluminium spider• Compatible with all SRAM 11-speed chains• PG-1130 11-42t cassette fits 10- and 11-speed driver bodies. (1.85mm spacer is required for 11-speed driver.)• 538g