Shimano Dura Ace 7800 Group 10spd Double NEW

(8 pieces: crankset, bb, shifters, brakes, rear & front derailleur, cassette and chains)
1. Crankset (Hollowtech II Crankset FC-7800): 39/53T 170 or 172.5 or 175 for option
2. Bottom Bracket (BB Cup Unit SM-FC7800): English
3. STI Brake/Shift levers with cables & housing (ST-7801)
4. Brakes (Dual Pivot BR-7800)
5. Front Derailleur (FD7800): 34.9mm

6. Rear Derailleur (RD-7800-SS) : Short
7. Cassette (CS-7800): 12/27T
8. Chain (CN-7801): (Super Narrow chain)