Optic Nerve FixeBLAST Sunglasses - Shiny Crystal Clear Smoke Lens Red Mirror ModelNumber=J2411 Deore M617 ChainringCompatible with 4-bolt

Deore M617 ChainringCompatible with 4-bolt 104/64 pattern crank arms

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Optic Nerve FixeBLAST Sunglasses - Shiny Crystal Clear Smoke Lens Red Mirror ModelNumber=J2411 Deore M617 ChainringCompatible with 4-boltOptic Nerve FixeBLAST Sunglasses Shiny Crystal Clear Smoke Lens with Red Mirror. Built with a full rimless design the Optic Nerve FixieBLAST was built with next level lens and frame construction for unobstructed vision and clarity. It also includes hydrophobic coatings to repel debris an adjustable nose bridge and double pin temple attachment for robust durability. Full rimless design for unobstructed visual clarity Frames made with renewable G850