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Zipp
Service Course Stem

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Service Course Stem

More recently known for their advances in the world of carbon, the engineering wizards at Zipp have shown they still know and value innovative aluminum componentry with the Service Course line. Zipp continues to impress us with its Service Course Stem, offering a highly functional design that originally addressed the needs of pros and now is available for the rest of us. It provides exceptional stiffness, lightness, and positional flexibility, but it does so at a reasonable price in comparison to more expensive, often heavier stems.


Zipp 3D forges the Service Course Stem from 6061 aluminum. This forging process aligns the grain structure of the aluminum, giving the material strength that allows for a thin-walled final structure and smooth shaping that complements today's sculpted carbon frames. Zipp uses durable stainless steel TORX head bolts on the stem to provide consistent, precise torque readings, and the bolts are more difficult to strip than traditional hex-head bolts when making pre-race adjustments.


The Service Course Alloy Stem is offered in a range of seven sizes from 70 to 130mm in 10mm increments. Each length is available in two angle options — the ±6° option is ubiquitous these days, but the ±25° 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 handlebars, and the 1-1/8" steerer clamp has a stack height of 41mm.


Details

  • Strength, stiffness, and reliability in one stem
  • 3D-forged construction 6061 alloy resists flex and is lightweight
  • Torx-head stainless steel hardware is less likely to strip
  • T25 wrench included for installation
  • Large faceplate offers easier installation and further boosts stiffness
  • Available in +/- 6 and +/- 25 degree options
  • Item #ZIP001W
Material
[body] 6061 aluminum, [bolts] stainless steel
Length
70, 75, 80, 90, 100, 105, 110, 120, 130mm
Rise
+/- 6, 25-degree
Clamp Diameter
31.8mm
Steer Tube Diameter
1-1/8in
Stack
41mm
Bar Attachment
4-bolt Torx T25
Claimed Weight
[100mm] 150g
Recommended Use
cycling
Manufacturer Warranty
2 years

Overall Rating

4.5 based on 13 ratings

Review Summary

5 Stars - 6 reviews
4 Stars - 7 reviews
3 Stars - 0 reviews
2 Stars - 0 reviews
1 Stars - 0 reviews

Fits Small

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