SHIMANO DI2 UPGRADE KIT
The eagerly awaited Shimano Di2 (Digital Integrated Intelligence) is here. Evolution never stops. This new technology brings shifting to a new level. It gives you a swift, definite shift every time and in every situation. Rigorously tested to perform in all weather conditions, for all riding styles and terrain.
Dual Control Levers:
Similar in look to the Dura-Ace shifters but with digital shifting, simply press to change gear.
- Shifting is easy as pressing a key on a keyboard.
- Unidirectional carbon fibre brake lever blades.
- The levers themselves weigh 155g less than mechanical 7900 levers.
- Reach adjustable and compatible with the new FlightDeck computer (sc-7900).
- Titanium fixing band and bolt.
- All cables routed internally.
- Weight 255g (pair).
Rear Derailleur:
- Carbon fibre pulley cage.
- Servo driven motion rather than spring action giving identical and precise shifting.
- Built-in crash mechanism which allows movement in the event of a crash.
- Weight 225g.
Front Derailleur:
- This contains the brains of the system, the compact CPU is housed here. The front derailleur tracks the chain position and trims automatically - requires no manual trim.
- Small to big ring changes are barely detectable with a smooth pedalling input, even on a climb.
- Weight 124g.
Battery pack:
- Model: SM-BTR1-A. Li-Ion battery with 1-1.5 hours quick charge.
- 7.4V rechargeable lithium ion battery - easily mounted to the frame and removed for charging.
- Claimed to last up to 625 miles with frequent use, battery will hold its charge for months.
- Gives a low reading when a charge is needed.
- Weight 68g.
Charger unit and cable:
- Charger model: SM-BCR1.
- Charger cable: SM-BCC1. EU 2-prong plug/ UK shaver 220-230v.
Cabling:
- Electric cable (1) EW-7970. W/SM-EWC1-black. External cable spec. Medium
- Electric Cable (2 - Junction Wire) SM-EW79A-E for ST 7970.
