Product Description Cross chainring from TA for SRAM 2x10-speed drivetrains. Specifications:Application:Cross Country, All Mountain, EnduroAttachment:120 mm bolt circle diameter, 4-armTeeth:38 T, 42 T, 44 TGearing:2x10-speedTechnical Information:Material:aluminium (7075-T6)Compatibility:SRAM XX Crankset 2010SRAM XX, X0, X9 and X7 crankset 2011/2012Cannondale Si and SL crank 2008 to 2014Position: externalFeatures:tapped threads, no nuts requireddesigned and produced in France Note:The manufacturer recommends a difference between 10 and 14 teeth between the chainrings.Manufacturer Numbers:38 tooth:PL-41120309-3840 tooth:PL-41120309-40 sold-out42 tooth:PL-41120309-4244 tooth:PL-41120309-44Contents:1 x TA Cross chainring Manufacturer: Spécialités T.A. 41 bis rue de Laon 02150 Sissonne France france@specialites-ta.com