SHIMANO DEORE M6100 Groupset MTB Mountain Bike Groupset 1x12-Speed 32T 170 175mm 10-51T M6120 Rear Derailleur Shift Lever BRAKE M6100 Groupset 4 in1 1x12-Speed: SL-M6100 Shift Lever 12-Speed RD-M6100 Rear Derailleur SGS CS-M6100 Cassette Sprocket 10-51T CN-M6100 124L Chain DEORE M6100 Groupset 6 piece NO BRAKE : SL-M6100 Shift Lever 12-Speed RD-M6100 Rear Derailleur SGS 12-Speed FC-M6120 Crankset 32T 34T (170 175MM) SM-BB52 (BSA 68/73mm) Swirling type CS-M6100 Cassette Sprocket 10-51T 12-Speed MICRO SPLINE CN-M6100 124L Chain DEORE M6100 Groupset 6 piece M6100 BRAKE 2 Pistons: SL-M6100 Shift Lever 12-Speed RD-M6100 Rear Derailleur SGS 12-Speed FC-M6120 Crankset 32T 34T (170 175MM) SM-BB52 (BSA 68/73mm) Swirling type CS-M6100 Cassette Sprocket 10-51T 12-Speed MICRO SPLINE CN-M6100 124L Chain BR-M6100 BRAKE 2 Pistons DEORE M6100 Groupset 6 piece M6120 BRAKE 4 Pistons SL-M6100 Shift Lever 12-Speed RD-M6100 Rear Derailleur SGS 12-Speed FC-M6120 Crankset 32T 34T (170 175MM) SM-BB52 (BSA 68/73mm) Swirling type CS-M6100 Cassette Sprocket 10-51T 12-Speed MICRO SPLINE CN-M6100 124L Chain BR-M6120 BRAKE 4 Pistons