ELECTRIC DI2 7970 DURACE

HI I AM SELLING BRAND NEW DI2 ELECTRIC DURACE GROUPSET.

THE GROUPSET IS VERY GOOD VERY PERCISE AND REALLY REALIABLE GROUPSET. SHIMANO IS JUST GETTING BETTER AND BETTER MORE HIGH STANDARDS EACH TIME.

 

SPECS:

 

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 fiber 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 fiber 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. L (890mm)
Electric Cable (2 - Junction Wire) SM-EW79A-E for ST 7970