![Load image into Gallery viewer, Zipp-Threadless-1-1-8-in-6-Degrees-1-1-8-in_STEM0511](http://365cycles.com/cdn/shop/files/SM0413_36c2485f-f8c2-4bc0-82c2-7b8e5e5e2b3a_400x@2x.jpg?v=1717564758)
![Load image into Gallery viewer, Zipp Service Course SL Stem 150mm 31.8 Clamp +/-6 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-01_3f317f1d-d32d-4377-a968-13e8d604d8e4_400x@2x.jpg?v=1717564758)
![Load image into Gallery viewer, Zipp Service Course SL Stem 150mm 31.8 Clamp +/-6 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-02_f793bad3-204f-47ab-9e52-7d078cc42e70_400x@2x.jpg?v=1717564758)
![Load image into Gallery viewer, Zipp Service Course SL Stem 150mm 31.8 Clamp +/-6 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-03_89efd10e-4a6d-45e0-8b78-471395695f6e_400x@2x.jpg?v=1717564758)
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