SHIMANO Altus 7PCS Groupset M310 Shifter Derailleur Crank Cassette 3x8 Speed MTB Include: 1. SL-M310 Shifter 2. FD-M310 Front Derailleur/TY 500 Front Derailleur 3. RD-M310 Rear Derailleur 4. FC-M311 Crankset 5. HG31-8 Cassette/ HG200-8 Cassette 6. HG50 chain / IG51 Chain 7. UN101 Bottom Bracket SKU: SET-M310-7 *** Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***