Nitto UI-22 Stem
The Nitto UI-22 brings Nitto’s hallmark precision and timeless style to riders using modern 31.8 mm handlebars. Featuring the refined, engraved Nitto logo on the drive side, this cold-forged aluminum stem blends sleek design with race-ready strength.
Available in polished silver or matte black, the UI-22 delivers long-lasting visual appeal. Its flippable ±17° angle allows for either an aggressive, level-forward posture or a more upright position—perfect for adapting to different riding styles.
“UI” stands for Ultimate Ideal, and the UI-22 exemplifies that ideal in both form and function.
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Stack height: 40 mm
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Angle: ±17° (forward and backward flip for aggressive or relaxed geometry)
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Clamp diameter: 31.8 mm (handlebar)
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Steerer clamp: 28.6 mm (1-1/8")
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Lengths available: 70–120 mm in 10 mm increments
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Weight: approx. 155–180 g depending on length
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Finish options: Polished silver or matte black
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Made in Japan