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Product Details

Zipp Service Course SL-OS 6 Degree Stem

Strong, lightweight and built for 1-1/4" steerer tube bikes, the Zipp Service Course SL-OS 6 Degree Stem is fast off the mark thanks to its class-leading stiffness ratings. Available in a range of dimensions to suit all preferences, this stem is a favourite amongst privateers and Zipp ambassadors alike, with its rigidity making it a flex-free option for hard efforts. The 7075 aluminium construction is highly durable, and the distinctive Zipp branding stands out. For sleek computer integration, this stem is compatible with the Zipp Quickview faceplate mount.

Features
  • 7075 aluminium construction is stiff and lightweight
  • Distinctive Zipp branding
  • Wide range of sizes and angles
  • Matte Black nano blast aluminium
  • Lifetime warranty
  • Zipp Quickview integrated computer mount available separately
  • 31.8mm clamping diameter
  • Service Course SL OS stem made for oversized 1-1/4” steerer tubes
Specifications
Discipline Compatibility
Road
Stem [Length]
70 mm, 80 mm, 100 mm, 110 mm, 130 mm
Faceplate Bolt Pattern
OS (Oversized 1-1/4" steerer)
Family
Service Course
Intended Use
Performance
Steerer Tube Compatibility
1 1/4"
Stem [Angle]
6 degree
Stem [Clamp Diameter]
31-8
Stem [Maker]
Zipp
Stem [Material]
Aluminium
Stem [Rise]
6 degree
Reviews
Rating 5 out of 5
5
Value of Product
4
Quality of Product
5
Rating 5 out of 5
Anonymous,
Verified purchaser

Perfect lightweight stem for my Canyon bike, the newer design of these in matte finish looks amazing!

Rating 5 out of 5
David,
Verified purchaser

I needed to compensate for a 20mm set back seatpost, so the 100 mm Zipp sl stem was the perfect solution and I saved 29 grams. I've used Zipp parts before, they are very well made and light .

Shipping & Returns

Free UK delivery on orders over £50. Orders are dispatched within 1-2 working days and typically arrive 1-2 working days later.

Return unused items in their original packaging within 30 days of delivery. Return postage is £3.50.

Q & A

3 questions answered

  1. What is the stack height of this stem?

    Asked by Jim (North London)

    1. Hi Jim, Please contact the Customer Care Team directly and they can move this forward for you, Many thanks Joe W

      Joe W

  2. Hello, Does the stem come with shims for use with 1-1/8" steerer?

    Asked by Ted (London)

    1. The zipp service page says that SL OS stems do come with shims for use with 1 1/8 steerer. https://www.sram.com/en/service/models/st-sc-sl-b2

      Ggg

    2. Hi Ted, No you will need to buy the 1 1/8 version of this stem, https://www.sigmasports.com/item/Zipp/Service-Course-SL-6-Degree-Stem/SRKG Many thanks Joe W

      Joe W

  3. Can this Zipp stem only be run in a -6 unlike the old ones which gave you a choice of +-6 degree.

    Asked by Alex (Poole)

    1. Hello, I can confirm that this stem can be reversed to be run in either +-6 degrees. Many Thanks Liam

      Liam