Protaper Trail Stealth 40mm Threadless Stem 31.8mm Clamp 1 1/8 in Steerer Black

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

• Stem Angle (deg): 0
• Defined Color: Black
• S.H.I.S. Stem Clamp Diameter: 28.6
• Weight: 175
• Color: Black
• Material: Aluminum
• Length: 40
• Bar Clamp Diameter (mm): 31.8