For those riding standard 1-1/8 inch steerer tubes, the Zipp Service Course SL-OS Stem offers new fit options with included shims allowing the stem to be adjusted for ±4° ±6° or ±8° angles. All that helps you dial in your position on the bike like a pro.
This 6 degree stem is compatible with the "oversized" 1-1/4 inch steerer tubes
For those riding 1-1/8 inch steerer tubes, the SL-OS includes shims allowing the stem to be adjusted for 4, 6 or 8 degree angles
Machined and relieved faceplate
Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment
High-polished Black with Silver Laser-Etched Graphics
100mm, 110mm, 120mm, 130mm, 80mm, 90mm
1-1/4" Threadless, 1-1/8" Threaded
Stem Angle (deg)
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