Shimano Dura Ace 9000 Chainring 110mm compact 2x11

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