The ProTaper stem may look simple, but under that beautiful veneer lies hours of 3D modelling, countless FEA revisions, and tons of real-world ride testing. This provides a light, stiff stem that can handle tremendous forces from every conceivable angle. The ProTaper stem may look simple, but under that beautiful veneer lies hours of 3D modelling, countless FEA revisions, and tons of real-world ride testing. This provides a light, stiff stem that can handle tremendous forces from every conceivable angle. 3D Forged and machined 6061 Aluminum Stainless Torx Fasteners
