[1x10 Speed] Shimano DEORE M4100 Shifter M4120 M5100 Rear Derailleur GroupsetShimano Deore M4100 MTB Mountain Bike Groupset 10 Speed RD M5120 Rear Derailleur and SL M4100 Right Shifter New M6000 RD M5120 Color: Black Speed: 10 11 Speed Model: RD M5120 SGS Max sprocket: 42T (2x11 10 speed), 46T (1x10 speed) Low profile SHIMANO SHADOW RD design Good replacement for RD M6000 M7000 GS RD M4120 TypeRear Derailleur Gears10 Speed Total Capacity42T ComponentsDerailleurs MaterialAlloy Model NumberM4120 SL M4100 Level: Deore Speed: 10

Package included: 1PCS

Link bushings           : 8

Cassette Cogs:11-13-15-18-21-24-28-32-37-42

SERIES: GRX 10-speed

Pulley G pulley bearing          : Sealed bearing

S1000 Crank Arm

Cable: stainless steel (Optislick)

The M8100 chain provides enhanced chain retention thanks to an extended portion of the inner plate

Adjustable Reach: Yes

Model: SL-M590

Maximum tire size                  : 28C

Length: 170mm