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OSymetric Chainring Kit Compact 110 Dura-ACE FC-9000 Black
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Instead of 204.17 €
You save 43 %
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O.Symetric chainrings are used by professional bikers in several disciplines.
The shape of O.Symetric chainrings makes pedaling harmonic and more efficient.
When a biker uses classical shaped chainrings, effort changes in different crank positions. The non-circular shape of the O.Symetric chainrings brings effort in balance and allows a "more rounded pedaling" for increased efficiency. For increased performance when biking.
110mm bolt circle for Shimano Dura Ace 9000. Made from high strength 7075 T6 alloy for increased durability and less weight.