Description
Shimano’s Ultegra 6800 chainrings provide confidence-inspiring shifting and category-defining speed. Cold-forged aluminum comprises these super-stiff, hollow outer rings, and Shimano’s unique system of ramps and pins means lightning fast shifts are at your command.
– Bolt circle diameter: 4-bolt 110mm asymmetric
– 50T pairs with 34T inner ring
– 52T pairs with 36T inner ring
– 53T pairs with 39T inner ring
Inner rings sold separately
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