Shimano Deore XT M8100 1x12-Speed MTB Rear Derailleur Max 45 Teeth

The MTB Shimano Deore XT RD-M8100-GS rear derailleur is designed for riders using a 1x12 drivetrain on their mountain bike. It handles 12-speed cassettes up to 45 teeth and has an aluminium cage.

• For 1x12 drivetrains: a single chainring at the front and 12 gears at the rear
• Works with 10-45T cassettes, giving you gears for steep climbs and fast sections
• Aluminium cage, strong and lightweight for off-road use
• Weighs approximately 284 g, as stated by the manufacturer
• Check that your cassette is 12-speed and does not exceed 45 teeth

Technical specifications

• Model: RD-M8100-GS (IRDM8100GS)
• Number of speeds: 12
• Maximum tooth capacity: 10-45T
• Compatibility: 1x12 system
• Weight: approximately 284 g
• Cage material: Aluminium
• Colour: Black

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.