Rotor Q-Rings 38/26T Sram XX 2x10 120/80BCD

Rotor Oval Q-ring

Large and small chainring 

Large 38T 120 bcd CR-Q120X-3800-B

01092310-0 Black 

Small 26T 80 bcd CR-Q80-0026-B

01093510-0 Black

fits Sram XX 2x10 crankset