What speed is Dura-Ace 9000?

11-speed
Dura Ace Rear Derailleur RD-9000 SS: The 11-speed Dura-Ace rear derailleur has been redesigned for lighter operation with the help of new low-friction polymer-coated cables. Shifting effort is now more even across the range, with similar force required at both ends of the cassette.

When did Dura-Ace 9000 come out?

2012: Dura-Ace 9000 (11-speed) The new series has been fully re-engineered across every system. Highlights include a very robust four-arm crankset, the new SLR-EV brake system, and a new 11-speed drive train. 9000 is mechanical and 9070 is electronic (Di2) series.

Are all Di2 components compatible?

No parts are inter-operable between 7970 and any other Di2 System. In general, every electronic Di2 component is compatible between the Ultegra 6770, 6870, and Dura-Ace 9070 systems (see exceptions below.)

What’s better Dura-Ace or Ultegra?

The only difference to the Dura-Ace is an extra bit of weight. Generally speaking, the Ultegra is seen as the most premium versatile groupset available from Shimano – the Dura-Ace being purely race-focused – due to its mammoth range of gears.

Is Dura Ace 9000 Electronic?

The new electronic components are 172 grams lighter than the current group. When used with the internal battery, Shimano claims that Dura-Ace Di2 is now lighter than mechanical Dura Ace—the company says the electronic system weighs 2,047 grams, compared to mechanical’s 2,072-gram weight.

When did Dura Ace 9100 come out?

2017
Shimano Dura-Ace R9100 will be available in early 2017, pricing details are still to be announced.

What BCD is Dura-Ace 9000?

110 mm
The Shimano Dura Ace 9000 crankset uses a B.C.D. of 110 mm in all configurations. This means that compact chainrings can be easily replaced by a double chain ring and vice versa.

Is Dura-Ace 9000 Electronic?

Can 10 speed Di2 be converted to 11 speed?

The introduction of the full Di2 11-speed line from Shimano raises the question of whether the previous generation Ultegra 6770 Di2 10 speed system can be ungraded to 11 speed compatibility without replacing all the components. The simple answer is, “Yes”.

Can you mix Dura-Ace and Ultegra?

DURA-ACE, ULTEGRA, and 105 parts are compatible with each other up and down the 2×11 speed range. The parts of DURA-ACE, ULTEGRA and 105 are compatible with each other as long as they have the same number of gears.