Narrow-wide chainrings are a game changer for single-ring drivetrains. Featuring built-in chain retention technology, the OneUp Narrow Wide Chainring allows you to run a 1x drivetrain without using a chainguide! The trick is the tooth profile consisting of alternating fat/skinny teeth to fit more closely into the narrow and wide plate spacing of a normal chain, "grabbing" the chain and holding it more securely.
Narrow Wide tooth profile eliminates chain drop with the perfect chain mesh fit
Perfect chainline with 2mm Shims*. For a quieter drivetrain with improved chain wear and best drop performance.
Reuse your existing ring hardware. No new bolt packs required, saves you $15.
Aggressive crud chamfers for awesome mud shedding performance and extended ring life.
Reinforced Wide tooth design provides maximum ring durability when run without a bash.
Made from hard wearing 7075-T6 aluminum plate.
30T rings has integrated chainring bolt,to allow the smallest ring size possible on a 104 BCD crank.
*Shims (included with 32, 34 and 36 Tooth Rings) - For 2x crank conversions, shims between the crank and ring get you back to an ideal 49-50mm chainline. For 3x crank conversions, shims under the bolt heads allow reuse of your 3x hardware - No new bolt packs required!
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Will this chainring fit a Raceface Evolve XC crankset from 2007? If so, will I need new bolts or spacers? I would prefer getting new bolts over spacers. I want to convert my 3x9 to a 1x9 or 1x10. I have a 9 now.
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