Shimano Deore XT M8100 Mountain Bike Mini Groupset Description: Dominate flowy single track and technical climbs with the Shimano Deore XT M8100 Groupset. Add durability and simplicity to your ride with a superior 1x upgrade. Designed for fast XC trails and aggressive terrain with a wide range 12-speed cassette. Smooth and stable shifting is integrated into the rear derailleur with Shadow Plus technology for ultimate chain management. Deore XT will have you pedaling smarter, not harder. Note: Deore XT Crankset and Chainring sold separately. Features: Durable, simple and easy to maintain 1x drivetrain Mini groupset includes drivetrain only with brakes sold separately Shadow Plus technology stabilizes the chain for fast and quiet shifting in all conditions Wide range 12-speed cassette ensures you are always in the perfect gear Specifications: Speed: 1 x 12 Speed Shift Mechanism: Mechanical Cassette Drive Type: Micro Spline Cassette Teeth: 10-51T Color: Black Groupset Includes: (1) Deore XT M8100 Trigger Shifter (12 Speed) (1) Deore XT M8100 Rear Derailleur (12 Speed) (1) Deore XT M8100 Cassette (10-51T) (Micro Spline) (12 Speed) (1) Deore XT M8100 Chain w/Quick Link Groupset Does Not Include: Deore XT Crankset Brake Levers & Calipers Chainring Bottom Bracket Brake Rotors