Zipp’s Service Course SL Stem, crafted from 7075 aluminum, features a shape that’s strong and lightweight, resulting in a best-in-class 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations. To meet every rider’s fit needs, the stem is available in ±6° and ±17° angles and seven lengths from 70 to 130mm as well as a 140 & 150mm lengths for the ±6° stem only. This stem is a favorite of Zipp ambassadors and pro athletes.

• Distinctive Zipp cosmetics
• Wide range of sizes and angles.
• Matte Black nano blast aluminum
• Lifetime warranty
• Zipp Quickview integrated computer mount available separately

Material (SP/ST Al-7075
Length (ST) 100mm, 110mm, 120mm, 130mm, 140mm, 150mm, 70mm, 80mm, 90mm
Stem angle/rise 17 degrees, 6 degrees
Clamp diameter 31.8mm
Steerer clamp diameter 1-1/8 in
Color/finish (ST) Matte with stealth decals
Hardware Titanium
Face Plate Bolt Distance-horizontal 27mm
Face Plate Bolt Distance-vertical 42mm
Weight (g) 135
Weight Based On Service Course SL ±6° 100mm