DetailsService Course:~ Zipp's Service Course Stem is strong, light, and reliable.
- • Industry leading stiffness-to-weight ratio.
- • Faceplate and body geometry adds stiffness and simplifies installation by spreading the torque load more uniformly.
- • 3D-forged 7075 aluminum construction with steel Torx bolts and a black anodized aluminum faceplate.
- • Steerer Diameter: 1-1/8".
- • Bar Diameter: 31.8mm.