Rear derailleurs

RDMX60 10/11/12-SPEED MOUNTAIN BIKE REAR DERAILLEUR • Compatible with SRAM’s 1:1 cable pull ratio• Maximum sprocket: 50T (1X)/ 42T (2X)• Smallest sprocket: 10T• Rear capacity: 40T• Maximum front differential: 14T• Total capacity: 46T• 279 g