SHIMANO SLX M7100 2x12 Speed Groupset Groupset include 7 original SLX parts： 1.SL-M7100-Right shifter 2.SL-M7100-Left shifter 3.FD-M7100-M Front derailleur 4.FC-M7120-B2 Crankset Free BB-MT800 #bsa 5.RD-M7120-SGS Rear derailleur 6.CS-M7100-12 Cassette 45T/51T 7.CN-M7100 Chain Just as mountainbiking and its riders are constantly evolving, Shimano is permanently striving to provide athletes with innovative materials for an unprecedented riding experience. The SLX M7100 series has been developed for these mountainbikers who want to explore new adventures and adapts - typically Shimano - the technologies of the high-end XTR group. These innovations include 12-speed drivetrain, Micro Spline and Hyperglide+ which have already proven themselves on Deore XT series. Shimano SLX 12-Speed Crank FC-M7100-1 36-26T Model: FC-M7120 Shimano XT Hollowtech II Bottom Bracket BB-MT800 (Default MT800 ENGLISH, PLS MESSAGE FOR MT800-PA PRESS FIT) Use: MTB Model: BB-MT800 BB-Type: HOLLOWTECH II Shimano SLX 12-speed Rapidfire PLUS SL-M7100 Bar Mount Right Shifter Type: Rapidfire Plus Bar Mount Gear rear: 12-speed, NO Optical Window Instant Release: Yes 2-Way Release: Yes Cable adjust: Yes Shimano XT 12-speed Rear Derailleur RD-M7100 Shadow RD+ Mount Type: Direct Mount Technology: Shadow RD+ Gear: 12-speed Shimano SLX 12-speed Cassette CS-M7100 51T Gear: 11-speed Teeth: 51T Compatible chain: HG-X 12-speed Shimano XT CN-M7100 1X12 12 Speed Chain Type: HG-X12 SIL-TEC Coating: Yes Directional tread: Yes Connection: Connecting Pin