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Easton EA90 SL Stem - 70mm 31.8 Black

Easton EA90 SL Stem - 70mm 31.8 Black

Experience extraordinary strength and featherweight control with the Easton EA90 SL stem. Designed...

Best current price£109.99from Tredz

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TredzEaston Black Ea90 Sl Aluminium Stem Large
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£109.99
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Leisure Lakes BikesEaston EA90 SL Aluminium Stem 31.8 Black
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£149.99
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Product Information

Full details

The Easton EA90 SL stem is designed for road and gravel cyclists who demand a balance between professional-grade stiffness and ultralight performance. By utilizing high-quality alloys and lightweight titanium hardware, this stem provides exceptional front-end control and handling precision for performance-focused builds. While its competitive weight and engineering make it a top-tier choice for weight-weenies, users should note it requires precise installation torque to maintain the integrity of its lightweight alloy construction.

All features

Model Part NumberEA8023017
BrandEaston

Extended Product Information

FAQs

What is the clamp diameter for the EA90 SL?

This stem is compatible with 31.8mm diameter handlebars.

Does this stem include a computer mount?

The stem is designed to be compatible with custom Garmin mounts, though the mount is typically sold separately or as part of a specific ecosystem.

What is the rise angle of this stem?

The Easton EA90 SL features a 7-degree rise.

Can I use this on a mountain bike?

This stem is primarily engineered for road and gravel applications. It is not recommended for aggressive trail or downhill mountain biking.

Are the bolts titanium?

Yes, this stem uses high-quality titanium bolts to save weight.

How much does the stem weigh?

The 100mm model weighs approximately 110 grams.

Troubleshooting

Handlebars slipping or rotating under load

Verify the bolts are torqued to the specific manufacturer specification using a calibrated torque wrench and ensure no grease is inside the clamp area.

Creaking sound coming from the cockpit

Clean the interface between the bar and stem, re-apply a light amount of carbon paste if using carbon bars, or check that titanium bolts are properly greased at the threads.

Pros and Cons

Pros

  • Extremely lightweight for an alloy stem
  • High torsional stiffness enhances steering precision
  • Includes corrosion-resistant titanium hardware
  • Clean, professional black anodized aesthetic
  • Integrated mounting options for cycling computers

Cons

  • Requires careful adherence to torque specs due to light alloy walls
  • Limited to 31.8mm handlebar diameter
  • Not intended for heavy-duty mountain biking

Setup, Compatibility & Care

To install, ensure your steerer tube and handlebar contact surfaces are clean and free of debris. Use a torque wrench to tighten the faceplate bolts to the manufacturer's specified setting, alternating between bolts in a cross-pattern to ensure even pressure. Because the stem utilizes titanium bolts, it is highly recommended to use a light coat of anti-seize compound on the bolt threads. Regularly inspect the stem for any signs of fatigue or hardware loosening, particularly after transporting the bike or experiencing a crash. Ensure your handlebars are 31.8mm in diameter, as this stem is not compatible with oversized 35mm bars.

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