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Road Stems

Zipp Service Course SL Stem

The updated Service Course SL Stem from the engineers at Zipp offers all the performance, strength and clean looks a pro sprinter loves, which is great because the stem also features best-in-class 1.85 grams per newton meter of torsional stiffness. The shape, internal structure, and face plate and titanium Torx hardware all contribute to this stiffness, made possible by the properties and end result of the 3D-forged AL 7075 construction. This a stem that will be on your bike for years, and thanks to the matte black nano blast finish and subtle gray graphics, it will suit just about any frame color and scheme.

When you need a high performance and and ready to ride stem, the Service Course SL is ready. With on-centimeter lengths from 70-130mm and 6° and 17 ° angle options you can find the best option for your bike fit. Zipp has also developed the QuickView integrated computer mount, sold separately, which replaces the faceplate of the stem with one of the best such set-ups, with an adjustable angle for the outfront combination (Garmin/GoPro) mount system.

Features

  • Lightweight, strong and stiff, pro-race grade alloy stem with impressive torsional stiffness, making it optimal for sprinters, climbers, even gravel use
  • 3D-forged AL 7075 construction results in an improved stiffness-to-weight-ratio
  • Secure to bar via four-bolt faceplate, two bolt steerer clamp using Torx® T25 titanium bolt heads
  • Best-in-class 1.85 grams per newton meter of torsional stiffness
  • Faceplace and stem body geometry designed for greater stiffness and easier installation
  • Nano blast finish and clean graphics for pleasing long-term aesthetics
  • Handlebar clamp diameter: 31.8mm
  • Steerer clamp diameter: 1⅛" (28.6mm)
  • Face bolt distance: Horizontal 27mm, Vertical 42mm
  • Zipp QuickView integrated computer mount available separately
  • Angle: +/- 6 (84°)
  • Lengths: 70, 75, 80, 90, 100, 110, 120, 130 mm
  • Finish: Matte Black nano blast aluminum (2020> stealth gray graphics
  • Weight: 133 grams (100mm)