![Load image into Gallery viewer, Zipp-Threadless-1-1-8-in-6-Degrees-1-1-8-in_STEM0503](http://365cycles.com/cdn/shop/files/SM0413_bf223269-3055-46d3-a5e6-3035537d0293_400x@2x.jpg?v=1717564848)
![Load image into Gallery viewer, Zipp Service Course SL Stem 70mm 31.8mm +/-6 1 1/8 in Matte Black B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-01_553e6fcd-f36b-4330-a19a-509d46d6497a_400x@2x.jpg?v=1717564848)
![Load image into Gallery viewer, Zipp Service Course SL Stem 70mm 31.8mm +/-6 1 1/8 in Matte Black B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-02_a15bab6b-2bc2-4991-9429-914df96c44dd_400x@2x.jpg?v=1717564848)
![Load image into Gallery viewer, Zipp Service Course SL Stem 70mm 31.8mm +/-6 1 1/8 in Matte Black B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-03_60c302fc-b3de-4565-a750-af4e5533c928_400x@2x.jpg?v=1717564848)
The Zipp Service Course SL Stem, crafted from 7075 aluminum, features a shape that strong and lightweight, resulting in a 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations.
- Forged AL-7075
- Machined and relieved faceplate
- Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment
Description
The Zipp Service Course SL Stem, crafted from 7075 aluminum, features a shape that strong and lightweight, resulting in a 1.85 grams per newton meter of stiffness. That results in no-flex sprints and accelerations.
- Forged AL-7075
- Machined and relieved faceplate
- Features titanium hardware with TORX heads on all bolts for precision torque readings and ease of adjustment