EASTON 8023013 Stem Alloy 821973339016 EA90 90MM 31.8MM

( Brand: Easton ), ( Manufacturer Part Number: 8023013 ), ( Part Type: Stem ), ( Country Of Origin: Taiwan ), ( UPC: 821973339016 )

Review EASTON Stem 90mm 31.8mm Degree Alloy Black

The **Easton EA90 Stem (Model 8023013)** is a precision-engineered, high-performance stem designed specifically for the modern competitive or recreational tennis player seeking optimal power transfer, durability, and customization. Crafted from a lightweight yet robust **31.8mm alloy material**, this stem is engineered to maximize efficiency in both groundstrokes and serves, reducing unnecessary weight while maintaining structural integrity. The **90mm length** strikes a perfect balance between stability and flexibility, allowing for a smooth, fluid motion through the swing without compromising control or power. This stem is particularly well-suited for rackets with a 31.8mm head size, ensuring a seamless connection between the frame and handle, which is critical for players who demand precision and responsiveness in their game. The **EA90 series** is part of Easton s advanced line of stems, featuring a **butterfly design** that enhances torsional rigidity, minimizing unwanted flex and maximizing energy transfer to the ball. Whether used in a stiff or slightly flexible racket setup, this stem delivers a consistent, repeatable feel, making it ideal for players who prioritize performance without sacrificing comfort. Its compatibility with a wide range of grip systems further adds to its versatility, allowing for personalized adjustments to suit individual playing styles whether for aggressive baseline players, serve-and-volley specialists, or those who favor a more controlled, finesse-oriented approach. Built to withstand the demands of intense training and competitive play, the **EA90 Stem** is a reliable choice for players who refuse to compromise on quality, ensuring long-lasting performance with every match.

The **Easton EA90 Stem (8023013)** is a popular choice for cyclists looking to upgrade their bike s aerodynamics and stiffness, particularly for time trial, triathlon, or road racing. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Easton EA90 Stem (90mm, 31.8mm)**

1. **Aerodynamic Design**

The EA90 stem is engineered to reduce drag, which is critical for high-speed riding, especially in time trials or triathlons. Its sleek, tapered profile helps minimize air resistance compared to traditional stems.

2. **Lightweight Construction**

Made from **aluminum alloy**, the EA90 stem is significantly lighter than carbon stems of similar length, making it an attractive option for riders who prioritize weight savings without the cost of carbon.

3. **Stiffness and Rigidity**

The stem s design provides a stiff connection between the fork and handlebars, improving power transfer and reducing flex under high forces. This is beneficial for aggressive riders or those in aero positions.

4. **Compatibility and Adjustability**

The **31.8mm clamp diameter** is standard for many modern road bikes, ensuring broad compatibility. The stem is also available in multiple lengths (including 90mm), allowing riders to fine-tune their reach and aerodynamics.

5. **Durability**

Aluminum stems are generally robust and resistant to wear, making them a reliable choice for everyday riding and training. They are less prone to micro-cracks compared to carbon stems under high stress.

6. **Cost-Effective Upgrade**

Compared to premium carbon stems (e.g., from Reynolds, FSA, or Easton s own carbon offerings), the EA90 is more affordable while still delivering significant aerodynamic and stiffness benefits.

7. **Easy Installation**

The stem is straightforward to install, requiring basic tools. Many riders can swap it out themselves without professional help, saving labor costs.

8. **Wide Availability**

As a widely used part, the EA90 stem is easy to find in bike shops and online retailers, with spare parts and replacements readily available.

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### **Cons of the Easton EA90 Stem (90mm, 31.8mm)**

1. **Aesthetic Limitations**

The stem s aggressive, angular design may not appeal to riders who prefer a more traditional or aesthetic look. Some find it visually harsh compared to smoother carbon stems.

2. **Vibration Transmission**

While aluminum is stiff, it can transmit more vibration to the hands compared to carbon stems, which dampen vibrations slightly. This may be noticeable on rough roads or during high-speed riding.

3. **Weight Compared to Carbon**

Though lightweight for an aluminum stem, it is still heavier than carbon stems (e.g., Easton s EA90 Carbon or Reynolds Carbon). For ultra-lightweight setups, this may be a drawback.

4. **Limited Color Options**

The EA90 is typically available in a few standard colors (e.g., black, silver, or matte finishes), which may not suit riders looking for customization.

5. **Potential for Looseness Over Time**

Like all stems, the EA90 may require periodic tightening to prevent loosening, especially if the bike is ridden aggressively or on rough terrain. Some riders report that the clamp can become slightly loose after extended use.

6. **Not Ideal for All Disciplines**

While excellent for time trials and triathlons, the stem s aggressive design may not be optimal for endurance road riding or gravel biking, where a more neutral position is preferred.

7. **Compatibility with Older Forks**

Some older or non-standard forks may not fit the EA90 stem perfectly, requiring spacers or adapters. Always check fork compatibility before purchasing.

8. **Less Customization Than Carbon**

Carbon stems often offer more tuning options (e.g., different rise angles or taper profiles), whereas the EA90 has a fixed design.

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### **Conclusion**

The **Easton EA90 Stem (90mm, 31.8mm)** is an excellent choice for riders who prioritize **aerodynamics, stiffness, and affordability** without sacrificing durability. It excels in **time trial, triathlon, and aggressive road racing** setups where reducing drag and maximizing power transfer are key. The aluminum construction ensures it remains lightweight and cost-effective while delivering performance benefits comparable to pricier carbon stems in some scenarios.

However, it is not without trade-offs. Riders who value **vibration damping, aesthetics, or ultra-lightweight components** may find alternatives like carbon stems more appealing. Additionally, those who prefer a more neutral riding position (e.g., for endurance or gravel) might opt for a less aggressive stem design.

If your primary goal is **speed, efficiency, and a budget-friendly upgrade**, the EA90 is a strong recommendation. For riders who can invest in carbon or prioritize comfort and versatility, other stems may be worth considering.

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### **Final Recommendation**

- You ride in a **time trial, triathlon, or aggressive road racing** position.

- You want a **stiff, aerodynamic, and lightweight** upgrade without spending on carbon.

- You prefer **durability and ease of installation** over aesthetic customization.

- Your bike s fork is compatible with a **31.8mm clamp diameter**.

- You prioritize **vibration comfort** or **endurance riding** over aerodynamics.

- You want **more color or finish options** (e.g., carbon stems with matte or gloss finishes).

- You re open to spending slightly more for a **carbon stem** (e.g., Easton EA90 Carbon, Reynolds Carbon) for additional weight savings and damping.

For most **performance-oriented riders** looking for a **high-performance, no-frills stem**, the EA90 is a **solid and cost-effective choice**.

Details:

Also comes with brand new Easton ICM face plate for Garmin Edge computers. Stem Clamp Diameter28.6, Angle deg 7, deg -7, Weight120. Top Lock Face plate provides secure and safe connection to alloy carbon handlebars. Excellent used condition with just the one flaw on back of stem as pictured.

Item Specifications: Bar Clamp Diameter mm 31.8, Color Black, Defined length 90, Material Alloy,.H.I.S. Easton EA90 Stem - 90mm, 31.8 Clamp, /-7, 1/8, Alloy, Black Easton lightest aluminum stem is the choice of road racers and top XC pilots alike. Distributed Stress Technology calms are designed to match the needs of lightweight carbon and alloy handlebars. 3D Forged EA90 Alloy.

part #: 8023013 prices

• $99.92-$165.14

specifications ribicycl:

• brand: Easton
• mpn: 8023013
• part type: Stem
• country of origin: Taiwan
• upc: 821973339016

returns ribicycl:

• policy: No Returns

shipping ribicycl:

• cost: $0.00
• type: Calculated
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• transit: 4-9 Days

general ribicycl:

• condition: Used
• Cycling > Bicycle Components Parts > Stems

payments ribicycl:

• credit card: Mastercard
• other
• wallet: Google-pay

seller ribicycl:

• rating: 100.0%
• # reviews: 1695
• city: Black Mountain, North Carolina

offer ribicycl:

• sold: 0
• started: May 9, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home

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