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Service Course SL B2 Stem

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Service Course SL B2 Stem

Whether you're building up a new frame or dialing in the fit of an existing bike, stem length and angle can play a huge role in your comfort. Zipp's Service Course SL B2 Stem offers two different angles and a multitude of lengths, so you can find the specifications that work best for your bike and body.


  • Lightweight stem to dial in your fit
  • 6° or 17° options to best suit your riding style and comfort
  • Aluminum construction for light weight and strength
  • Item #ZIPZ05N
[stem] AL-7075 aluminum, [hardware] titanium
70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm
[70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 140mm, 150mm] 6°, [70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm] 17°
Clamp Diameter
Steer Tube Diameter
Bar Attachment
Claimed Weight
[130mm, 6 deg] 5.8oz (164g)
Manufacturer Warranty

Overall Rating

5 based on 2 ratings

Review Summary

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

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

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