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  • Zipp SL Speed Carbon Stem
  • OptionsZipp -
ZippSL Speed Carbon Stem
$265.00

Item # ZIP005M

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  • Matte Black, 100mm/-6deg ($265.00)
  • Matte Black, 110mm/-6deg ($265.00)
  • Matte Black, 120mm/-6deg ($265.00)
  • Matte Black, 70mm/-6deg ($265.00)
  • Matte Black, 80mm/-6deg ($265.00)
  • Matte Black, 90mm/-6deg ($265.00)
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Item # ZIP005M
Description

Perfect marriage of lightweight and stiffness.

Zipp doesn't hesitate to extend their craftiness beyond their signature aerodynamic wheels. This SL Speed Carbon Stem is a prime example of Zipp's quest to reshape bike componentry from the bottom up. The most notable aspect of this stem is its ethereal lightness. Zipp uses exacting construction standards and some forward thinking to maintain the same top-notch level of performance and durability you'd find on their other go-fast products, without sacrificing lightness.

The SL Speed Carbon Stem has rearward facing stem bolts, similar to what we've seen on Oval stems in the past. On Zipp's design, the bolts thread directly into a two-piece carbon/titanium faceplate. On the backside, the single-bolt steerer clamp appears standard in every way, but Zipp found, through product testing, that normal fasteners don't always seat properly in their bores when the clamp is torqued to spec onto the fork steerer tube. To fix this, they added self-aligning washers to ensure positive contact between the stem and the shoulders of the fasteners, which also enables the construction to be completely carbon. The Zipp SL Speed Carbon Stem uses uni-directional carbon fiber, laminated in such a way as to have exceptional torsional stiffness to resist twisting when you're really cranking on the bars in a sprint or uphill.

  • Stiff, secure, and ultralight stem for road or gravel
  • Unidirectional carbon is seriously stiff and tough
  • Light enough for roadies, tough enough for cyclocross
  • Torx T25 heads for precise torque readings
  • T25 wrench included for easy adjustability
Tech SpecsWeight
Tech Specs
Material
unidirectional carbon
Rise
6-degrees
Clamp Diameter
31.8mm
Steer Tube Diameter
11/8in
Stack
41mm
Bar Attachment
titanium with Torx T25 heads
Recommended Use
road
Manufacturer Warranty
2 years
Weight

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Grams

Oz

Matte Black, 100mm/-6deg
123g
4.34oz
Matte Black, 110mm/-6deg
128g
4.52oz
Matte Black, 120mm/-6deg
131g
4.62oz
Matte Black, 70mm/-6deg
109g
3.84oz
Matte Black, 80mm/-6deg
113g
3.99oz
Matte Black, 90mm/-6deg
119g
4.20oz
Weight is for 110mm length.

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

123g

Reviews & Community

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Will this stem fit a cervelo s5 aero handlebar?

I am thinking the same thing. Did you get an answer?

Knee saver

  • Familiarity: I've used it once or twice and have initial impressions

This stem is a work of art. What sets it apart for me is the smooth steerer-tube bolt profile. If you've ever hit your knee on an exposed or non-integrated steerer bolt during a sprint or crash, you'll know what I'm talking about. It seems very stiff; and if it can handle van Aert's cyclocross use, I don't see why it shouldn't be amply durable for cross country mountain biking for an average or lighter rider.

Rock Solid And Looks Killer

  • Familiarity: I've put it through the wringer

Added to my 2017 S-Works Tarmac eTap. Great stem. Stiff but still dampens some road chatter. It look completely pro. Beefy and sleek at the same time.

Perfection

    This is the *new* Zipp SL Speed carbon stem (with new stealth graphics).

    Zipp, undeniably, one of the very best carbon road wheelset makers​ in the world... has quietly become one of the very best makers of carbon cockpit components.

    The SL Speed carbon stem is expensive. It is strong. It is light (Zipp says 123g in size 100mm).

    It is also stunnigly beautiful in stealth matte carbon black (and will match any frame color)

    American company/design. Cool.

    By the way, Zipp uses Torx fasteners because they are "simply a better bolt." As Zipp explains, "They are more durable (strip less). And they provide more accurate torque readings."

    Install note: This stem is a work of art, please use a quality torque wrench (or one of Park's excellent new torque keys @ $45) to tighten the bolts (cross X) to spec (6 Nm max).

    If you have a carbon bar, add a swipe of grip paste ( I rec Finish Line Fiber Paste, $7/tube). Don't over tighten. And you don't need to if you use a torque key and grip paste.