Shimano Deore M6100 Mountain Bike Mini Groupset Description: Hesitant to switch to a single ring up front? Balk at the high price tag? Bring simplicity and a modern 1x drivetrain to your mountain bike without breaking the bank. Shimano's Deore 6100 offers fast and reliable shifting across a wide range of 12 gears. Let the affordability persuade you. Note: Deore Crankset sold separately. Features: Durable, simple and easy to maintain 1x drivetrain Mini groupset includes basic drivetrain only (brakes sold separately) Shadow Plus technology stabilizes the chain for quiet and precise shifting Wide range 12-speed cassette ensures you are always in the perfect gear Groupset includes everything you need - except for the crankset, bottom bracket, and rotors (which are size-specific) Specifications: Speed: 1 x 12 Speed Shift Mechanism: Mechanical Cassette Drive Type: Micro Spline Cassette Teeth: 10-51T Color: Black Groupset Includes: (1) Deore SL-M6100 Trigger Shifter (12 Speed) (1) RD-M6100 Rear Derailleur (12 Speed) (1) CS-M6100 Cassette (10-51T) (Micro Spline) (12 Speed) (1) CN-M6100 Chain w/Quick Link Groupset Does Not Include: Deore Crankset Bottom Bracket Brake Levers & Calipers Brake Rotors