Utilizing the Shimano Shadow RD+ design, the Shimano Deore M5120 rear derailleur delivers consistent MTB shifting performance over rough terrain. The low profile design avoids damage from rocks while Shimano's chain stabilizing technology reduces chain drop and makes for a quiet drivetrain in all gear positions. Details: Stable drivetrain on the trail The low-profile design avoids damage from rocks Chain stabilizer reduces chain drop, slap, and noise Silent drivetrain in all gear positions Decreased rear derailleur and chain tension in low gear Max. low sprocket 42T (2x11/10-speed), 46T (1x10-speed) Specs: CAGE LENGTH SGS/Long TOTAL CAPACITY 41 MAX FRONT DIFFERENCE 10 COLOR SERIES COLOR MOUNT Direct attachment (conventional)/Direct mount compatible NUMBER OF PULLEY TEETH 11 SERIES Deore GENERATION M5120 MAX LOW SPROCKET 46T (1x10-speed) - 42T (2x11/2x10-speed) MIN LOW SPROCKET 42 TOP NORMAL SPRING TYPE Shimano Shadow RD+ REAR SPEEDS 11/10 WEIGHT 376 grams Shimano Deore Compatability: