![Load image into Gallery viewer, Zipp-Threadless-1-1-8-in-6-Degrees-1-1-8-in_STEM0504](http://365cycles.com/cdn/shop/files/SM0413_3163661a-5b3e-42cf-9983-e44f0edd64ec_400x@2x.jpg?v=1717539231)
![Load image into Gallery viewer, Zipp Service Course SL Stem 80mm 31.8mm +/-6 1 1/8 in Matte Black B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-01_02637f4f-6be8-4e44-a77e-1882b94a3183_400x@2x.jpg?v=1717539231)
![Load image into Gallery viewer, Zipp Service Course SL Stem 80mm 31.8mm +/-6 1 1/8 in Matte Black B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-02_198c1d1e-4059-44d7-a6dd-23104bcf854d_400x@2x.jpg?v=1717539231)
![Load image into Gallery viewer, Zipp Service Course SL Stem 80mm 31.8mm +/-6 1 1/8 in Matte Black B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-03_e6e9ea94-e86e-4bbb-8ed4-958235459857_400x@2x.jpg?v=1717539231)
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