absoluteBLACK Premium Round 110 BCD Road Outer Chainring – 50t 110 BCD 5-Bolt For 50/34 Combination Black. absoluteBLACK Premium Round 110 BCD Road Chainrings utilize absoluteBLACKs top-tier design features. They are designed for cranks like Shimano Dura-Ace FC7950 Ultegra FC6750 Shimano 105 5750 and others with a 5-bolt fitting. Optimized with smooth shifting in mind premium chainrings have a unique shifting ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability.

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