Shimano Ultegra Di2 6871 TT Shifter/Brake Set

Shimano Shimano Ultegra Di2 6871 TT Shifter/Brake Set
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Details / Shimano Ultegra Di2 6871 TT Shifter/Brake Set
The TT option for your 6871 Di2 groupset.
If you have not jumped on the electronic groupset bang wagon yet youmight want to give it a little research. The removal of traditional mechanical cables in favor of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts.