1. 28T REAR DERAILLEUR CAPACITY FOR INCREASED GEAR RANGE.

2. INTERNAL AND EXTERNAL JUNCTIONS TO SUIT ALL TYPES OF FRAMES.

3. NEATER SMALLER WIRING KIT FOR AN EVEN CLEANER AND TIDIER APPEARANCE.

4. COLOURED TO MATCH THE NEW ULTEGRA “GLOSSY GREY” EDITION.

5. PLUG AND PLAY WIRING. NO MORE FD,RD,BTR SPECIFIC WIRING. USE ANY WIRE ON ANY COMPONENT.

6. OPTION OF 14 WIRING LENGTHS TO CUSTOMIZE YOUR FRAME, LESS EXCESS WIRE LENGTH ON FRAMES.

7. EASY TO USE PC LINKAGE FOR DIAGNOSIS AND UPDATE. ( More info to come)

8. DURA ACE Di2 FEATURES AUTO TRIMMING ON FD, LEVER REACH ADJUST ON ST, CRASH SAVER FUNCTION RD, ADJUSTMENT MODE ON JUNCTION 1 FOR FINE TUNING OF GEARS.

9. 90 MINUTE MAX RECHARGE ON LITH-ION BATTERY/ 2000KM RANGE OF BATTERY LIFE.

10.OPTIONAL SWITCHES TO COME FOR FUTHER USAGE SW-R600 / TT SHIFT SET. ( MID 2012 ) For more details.