Shimano ALIVIO Rear Derailleur M3100 9 Speed SHADOW RDShimano Alivio RD M3100 MTB Mountain Bike 9 Speed Rear Derailleur Shadow RD New M4000 SGS Model: RD M3100 SGS Color: Black Speed: 9 Speed Low profile design Total capacity: 45T Max. low sprocket: 36T Adjustment barrel The Shimano Alivio M3100 rear derailleur delivers a low profile design that lets you ride aggressively with fewer interruptions thanks to its Shimano Shadow design.

GXP Bottom Bracket

Designed for ebike: Yes

Top-normal spring type SHIMANO SHADOW RD+  : Yes

MODEL NO           : RD-R2000-GS

Pedal Spindle: 9/16"

Type                         : HG-EV

Shimano CN-HG601 Chain

0 pins help improve this chain's usable life along with its half nickel plating that helps keep corrosion away

Shimano DEORE XT M8000 Long Cage Rear Derailleur 11-speed

Number of Chain rings Single

Largest Cog: 34

Rotor Size: 160mm