DUO Brand CNC Chainring

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The DUO CNC chainring is a custom two-bar design that looks cool, stays true, and does away with unnecessary material. Machined from 5mm thick 7075 aluminum, the DUO design is simp le, yet features small details including reinforcement around the four drive bolts. Available in 40-tooth or 44-tooth. DETAILS 5mm thick 7075 CNC aluminum, 4 x 104mm, 3/32” pitch 40-tooth or 44-tooth Show more