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![Load image into Gallery viewer, Zipp Service Course SL Stem 70mm 31.8 Clamp +/-17 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-01_bc9b8f73-225f-4b72-a748-9d68c27f902f_400x@2x.jpg?v=1717564757)
![Load image into Gallery viewer, Zipp Service Course SL Stem 70mm 31.8 Clamp +/-17 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-02_7a870764-b8ca-44ae-978c-551775f52915_400x@2x.jpg?v=1717564757)
![Load image into Gallery viewer, Zipp Service Course SL Stem 70mm 31.8 Clamp +/-17 1 1/8 in Matte Blk B2 Aluminum](http://365cycles.com/cdn/shop/files/SM0413-03_1a7c63b8-407f-45e4-a6e7-44ee82dbf96b_400x@2x.jpg?v=1717564757)
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