Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed Medium Cage Black Miscellaneous Rear Derailleur Part Links (links) 112 Defined Color

Links (links) 112 Defined Color Silver Color Silver Drivetrain Speeds Single Speed 1/2" x 1/8" Chain Connection Type Single Use Missing Link Half Link Chain No Designed for ebike Yes

The rear mounts to the top of the seat stay without tools using rubber straps

Included ball / bladder heads fit neatly in their own holders

Comfortable 2-component plastic sleeve

}Shimano Dura-Ace ST-R9170 Di2 STI Lever Hoods Black Pair

Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed Medium Cage Black Miscellaneous Rear Derailleur Part Links (links) 112 Defined ColorShimano XT RD M8100 GS Rear Derailleur 12 Speed Medium Cage Black. Deore XT RD M8100 Rear DerailleurOffers fast and shockless shifting thanks to HYPERGLIDE+ technology The low profile design includes a bumper added to the derailleur pulley cage Shimano Shadow RD+ technology reduces chain slap and creates a quieter drivetrain Includes large 13t pulley Drivetrain is silent in all gear positions with decreased rear derailleur and chain tension in low