NEW Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed Medium Cage Black variant-size-48 The Aero Drink Bracket offers

The Aero Drink Bracket offers secure Velcro bottle mounting to aero bars for on the go hydration

Available with LED tail light in AC for Dynamos

Shifter: SRAM Apex 1

Pad Shape Number: 01

Chain: SRAM GX Eagle Chain

NEW Shimano XT RD-M8100-GS Rear Derailleur - 12-Speed Medium Cage Black variant-size-48 The Aero Drink Bracket offersDeore XT RD M8100 Rear Derailleur Offers 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 gear Rear Derailleur Mount Type: Shimano Rear Direct Mount Rear