from USA
in 9-15 days
At your doorstep by Dec 17  to Dec 23 with standard delivery


  • High-strength 3D-forged AL7075 construction.
  • Titanium bolts.
  • Strength, stiffness, and reliability at a weight of only 120 grams (100mm).
  • Imported from USA.
The Zipp Service Course SL Alloy Stem represents groundbreaking territory when it comes to the balance between cost, lightness, and performance. Its 3D forged 7075 aluminum construction is what gives it superb strength and stiffness akin to what you'll find on the standard version of the Service Course Stem. They're both built in the same tooling, so the smooth shaping is all the same. Each has its own unique finish, with this one being a lustrous black rather than matte. More importantly, the faceplate went under the CNC bit and got relieved of excess material. Along with having titanium bolts, this is the reason that this Service Course SL Stem is 10 grams lighter than its more modest sibling. The Zipp Service Course SL Alloy Stem is offered in seven sizes from 70 to 130mm in 10mm increments. Each length is available in two angle options -- the AA6AA option is ubiquitous these days, but the AA17AA models remind us of a bygone era where stems were dead flat and oh-so Pro. It has a 31.8mm clamp diameter and is a perfect match for Zipp's handlebars. The 1-1/8" steerer clamp has a stack height of 42mm. Product Features * Material: [stem] 7075 aluminum; [bolts] titanium * Bar Diameter: 31.8 mm * Steer Tube Diameter: 1.125 in * Length: 70 mm 80 mm, 90 mm 100 mm, 110 mm 120 mm, 130 mm * Rise: * Bar Attachment: 4-bolt * Weight: [100mm] 120 g * Recommended Use: cycling * Manufacturer Warranty: 2 years

Zipp Speed Weaponry Service Course SL Stem One Color, 110 /-6deg


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