STRONGLIGHT CT2 MTB Chainrings compatible with SRAM 2X10 Speed.
Compatible with XX, X0 and X9 Chainsets.
Fixation diameter: 120 mm for the big chainring & 80 mm for the small one.
Aluminium 7075-T6 Ceramic Teflon Treatment (CT²).
Bolt Circle Diameter : 120 mm / 4 arm
Chainring type : Outer
Colour : Black
Material : Aluminium
Speed : 10
Teeth : 39, 41, 42(29), 42, 45