Shimano Dura Ace chainring for FC-9000 2x11-speed Dura Ace cranksets with a bolt circle diameter of 110mm.
The new 11-speed drive allows each driver to "tune" the bike for each specific application by various gradations. The chain rings are available with different numbers of teeth:
- 34 teeth (MA)
- 36 teeth (MB)
- 38 teeth (MC)
- 39 teeth (MD)
- 42 teeth (ME)
- 50 teeth (MA)
- 52 teeth (MB)
- 52 teeth (MC)
- 53 teeth (MD)
- 54 teeth (ME)
- 55 teeth (ME)
Combinations of two chainrings are only possible within the types MA, MB, MC, MD or ME. For optimal performance a type MA chainring must not be combined with a type MB chainring.
Fitting for derailleur: 11-speed
Included in delivery: 1 chain ring
Material: 34-42 teeth: aluminum
50-55 teeth: aluminium / carbon fiber reinforced plastic