For 2015 11 speed mechanical Campagnolo.
Not compatible with 12 speed or Hydro.
The new chainring design immediately translates to an increase in stiffness - the crank arms are attached closer to the outer diameter of the chainring, meaning there's less flex.
The internal part of the large chainrings features refined production processes that are yet another evolution of the Squadre Corsa 2014 chainrings, developed for the Campagnolo team, in order to guarantee riders maximum shifting performance in the combinations 53/39, 52/36 and 50/34. Campagnolo wants to guarantee maximum performance for every user, regardless of the specific choice and, to achieve this, the number of pins involved in picking up the chain when shifting up on the large chainring is differentiated: 8 in the 53/39 combination and 4 in the 52/36 and 50/34 combinations.
The trademark Campagnolo workmanship is also on display in this chainring, thanks to the production process of the component, which ensures maximum flatness for smoother, more reliable shifting for longer.
Genuine Campagnolo chainring for use with 11-speed Campagnolo shifting systems.
Double standard bolt circle diameter (112mm and 145mm)
Interchangeable chainring combinations
High levels of stiffness,excellent areodynamics
Different number of pins and mechanics for upward movement of the chain on each combination (8 for 53/39,4 for 52/36 and 50/34)
Maximum chain engagement efficiency for each chainring
Lowered slack teeth and holes to prevent chain jamming at the level of the cranks
Easier downward movement of the chain near the dead points of the pedal stroke .Holes to prevent jamming
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