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  • PROTAPER Stem (31.8mm) 40mm, Stealth Black  NLS

PROTAPER Stem (31.8mm) 40mm, Stealth Black NLS

SKU: 306-37221-A140
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On the surface, a stem may look simple, but under that beautiful veneer lies hours of 3D modelling, countless FEA revisions, and tons of real-world ride testing. We do all of this to make sure we have a light, stiff stem that can handle tremendous forces from every conceivable angle.

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