This full groupset includes:
Di2 STI shifters: Now with enhanced feedback and improved ergonomics for easier access to the shift buttons from the top of the hoods.
Di2 front mech: Fast, silent, accurate shifts every time.
Di2 rear derailleur: Now lighter and more compact, with E-tube connection to simplify installation.
Chainset: Bottom bracket is BSA threaded english standard. Unique four-arm spider design sets new standards for stiffness and low weight.
Bottom bracket (BSA thread only).
7901 Chain.
Cassette: Smooth, fast shifting guaranteed.
Brake calipers: new symmetrical dual pivot design for improved efficiency and controllability.
External Battery.
Battery charger unit.
Complete set of junction boxes and wiring (internal) for a tidy aesthetic.
