The Zipp Service Course has everything you expect from a high-performance stem: stiffness, reliability, precise fit, and great looks.
Features
High-strength and low weight AL6061 construction
Smooth lines to complement the aesthetics of modern frames
Strength, stiffness, and reliability at a weight of 130 grams (100mm)
New face place and body geometry for greater stiffness and easier installation
Mounts using four Torx T25 bolt heads
Specification
Angle: +/-6°
Recommended use: Commuting
Material: Aluminum
Steerer tube size: 1-1/8" (28.6mm)