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it also has a more versatile construction
and efficient use of every gram
you stay informed without taking your eyes off the road
we surpass much of the alloy and carbon competition in the market
With these bad boys hugging your feet
Shimano DURA-ACE R9100 Chainring Inner Choose:36 it also has a moreThe Shimano Dura Ace FC R9100 inner chainring is engineered for elite level power transfer and shifting precision. Its reinforced construction works in tandem with Shimanos unique asymmetrical four arm spider to maximize stiffness while minimizing weight. This 11 speed component is the benchmark for professional road racing performance. Crafted from high grade aluminum, the inner ring features optimized tooth profiles for smooth, reliable chain
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