![Load image into Gallery viewer, Zipp-Threadless-1-1-8-in-17-Degrees-1-1-8-in_STEM0513](http://365cycles.com/cdn/shop/files/SM0413_5f03b9d2-1302-4cd7-a511-6f434be60cff_400x@2x.jpg?v=1717564794)
![Load image into Gallery viewer, Zipp Service Course SL Stem 80mm 31.8 Clamp +/-17 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-01_400x@2x.jpg?v=1717564794)
![Load image into Gallery viewer, Zipp Service Course SL Stem 80mm 31.8 Clamp +/-17 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-02_a036b297-cfa6-4522-81bd-f27c8ed5b658_400x@2x.jpg?v=1717564794)
![Load image into Gallery viewer, Zipp Service Course SL Stem 80mm 31.8 Clamp +/-17 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-03_400x@2x.jpg?v=1717564794)
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