Shimano XT RD-M8100 Rear Derailleur

Next-Level 12 Speed MTB Drivetrain Silence

The Shimano Deore XT M8100 Series of derailleurs introduces a number of upgrades to optimize performance on 12 speed wide-range drivetrains.

With HYPERGLIDE+ the XT M8100 rear derailleur offers faster and shockless shifting over previous models

An innovative decreased chain/derailleur tension at the lowest gear and added bumper on the pulley cage decreases noice and cassette wear.

Combine all of this with a sleek low-profile designs and you’ve got a winning upgrade to any Shimano 12 speed drivetrain.

Features:

• 284g claimed weight
• Total capacity: 41 tooth
• Low sprocket min/max: 51t
• High sprocket min/max: 10t
• 13t pulleys for increased efficiency

Specifications