11 speed. 5 pieces (R8000 cassette, chain, STI Shifting System Includes: Dura-Ace SL-BSR1 Tri Shifter Set with cables and housing, Front Derailleur and Rear Derailleur).
Buy Shimano Ultegra R8060 STI Time Trial Conversion Kit from Texas Cyclesport, A Better Bike Ride Begins Here.
Buy Now Shimano Ultegra R8060 STI Time Trial Conversion Kit at TexasCyclesport.com
