DEDA ELEMENTI Carbon Aero Road Bike Bicycle Mtb Stem 8055774368650 31.8MM 90MM 12

( Brand: Deda Elementi ), ( Part Type: Bike Bicycle Stem ), ( Clamp Diameter: 31.8mm ), ( Compatible Bike Type: Road Bike ), ( Set Includes: Cables ), ( Material: Carbon ), ( Item Length: 90 Mm ), ( UPC: 055774368650 )

Review DEDA ELEMENTI Zero 31.8mm Carbon Aero Road Bike Bicycle Mtb China Stem 90mm 12 Degree

The **Deda Elementi 055774368650 31.8mm Carbon Aero Road Bike Stem (90mm Reach, 12 Rise)** is a high-performance, precision-engineered component designed to elevate the aerodynamics, comfort, and handling of modern road and gravel bicycles. Crafted from lightweight yet ultra-strong **unidirectional carbon fiber**, this stem offers an optimal blend of stiffness and weight savings, ensuring minimal flex under aggressive cornering or high-speed riding while maintaining a responsive feel. The **31.8mm drop tube interface** is engineered for seamless compatibility with a wide range of carbon and aluminum fork crowns, including popular road and gravel bike setups, while the **90mm effective reach** provides a balanced, aggressive geometry that enhances stability at speed without compromising maneuverability. The **12-degree rise angle** further refines the riding position, promoting an aerodynamic posture that reduces wind resistance while allowing for better control and efficiency over varied terrain. Aerodynamic in design, the stem features smooth, tapered contours that minimize drag, making it an ideal choice for time trialists, endurance riders, and those seeking a competitive edge on long-distance rides. The **integrated bolt pattern** ensures a secure, vibration-dampening connection to the handlebars, while the **precision-machined carbon construction** eliminates the need for excessive padding or rubber inserts, delivering a clean, minimalist aesthetic and a direct transfer of rider input. Whether paired with a sleek road bike or a rugged gravel rig, this stem exemplifies Deda Elementi s commitment to innovation, performance, and refined craftsmanship, making it a standout choice for riders who demand both style and substance in their cycling equipment.

### **Pros and Cons of buying a Deda Elementi 055774368650 (31.8mm Carbon Aero Road Bike/Mountain Bike Stem, 90mm Drop, 12 Angle)**

1. **Lightweight Construction** The carbon fiber material reduces overall weight, improving handling and climbing efficiency. This is particularly beneficial for road cycling and fast-paced mountain biking.

2. **Aero Design** The aerodynamic shape of the stem reduces wind resistance, which can enhance speed and performance, especially at higher velocities on the road or in cross-country MTB riding.

3. **Durability** Carbon fiber is resistant to corrosion and fatigue, making it a long-lasting option compared to aluminum or steel stems, provided it is not subjected to extreme impacts.

4. **Adjustable Drop** The 90mm drop provides a comfortable riding position, allowing for better aerodynamics while maintaining control. This is useful for both road and MTB disciplines where ergonomics matter.

5. **Compatibility** The 12 angle is a standard drop angle, making it compatible with most handlebars and stem mounts, ensuring ease of installation and replacement.

6. **Cost-Effective Carbon Option** Compared to high-end carbon stems, this appears to offer a more affordable entry into carbon technology, making it accessible for budget-conscious cyclists.

7. **Versatility** While marketed for both road and MTB, the stem s design could work well for gravel riding or hybrid disciplines, depending on the bike setup.

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1. **Limited Brand Recognition** Deda is not as widely recognized as brands like Shimano, SRAM, or carbon specialists like FSA or ISM. This may raise questions about long-term support, warranty coverage, or availability of replacement parts.

2. **Potential Quality Variability** Since Deda is not a premium brand, there may be inconsistencies in build quality, finish, or fit compared to established manufacturers. Some users report minor issues like loose bolts or uneven carbon weave.

3. **Overkill for Casual Riders** If you primarily ride casually or on flat terrain, the aerodynamic benefits may not justify the cost over a simpler aluminum stem. The carbon advantage is more noticeable in performance-oriented riding.

4. **Impact Sensitivity** Carbon is strong but can crack or delaminate if subjected to heavy impacts (e.g., aggressive MTB trail riding or crashes). Unlike aluminum, it does not bend and may fail catastrophically without warning.

5. **Compatibility Concerns** While the 12 angle is standard, ensure your handlebars and fork steerer tube match the stem s clamp size (e.g., 27.2mm or 31.8mm). Mismatches can lead to instability or damage.

6. **Resale Value** Carbon stems from lesser-known brands may depreciate faster than those from reputable manufacturers, reducing resale potential.

7. **Installation Challenges** Carbon stems can be trickier to install or remove due to their rigidity. Over-tightening bolts can strip threads or damage the carbon, so precision is required.

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The Deda Elementi 31.8mm carbon aero stem is a **solid mid-range option** for cyclists seeking lightweight performance without the premium price tag of brands like FSA or ISM. It excels in **aerodynamics and durability** for road or cross-country MTB use, making it ideal for performance-focused riders who prioritize weight savings and efficiency. However, its **unknown long-term reliability** and **potential quality inconsistencies** mean it may not be the best choice for aggressive riders or those who prioritize brand support.

If you re on a budget but want carbon benefits, this stem is worth considering **especially if you re already using Deda components or have no issues with lesser-known brands**. For serious racers or riders who demand absolute reliability, investing in a stem from a well-established brand (e.g., FSA, ISM, or carbon-specific manufacturers) might be preferable.

- **Buy it if:** You want a lightweight, aerodynamic stem for road or XC MTB riding, you re comfortable with a lesser-known brand, and you prioritize performance over brand reputation.

- **Avoid it if:** You ride aggressively (e.g., downhill MTB), need long-term warranty support, or prefer sticking with trusted manufacturers.

- **Alternative Consideration:** If budget allows, explore stems from **FSA, ISM, or carbon specialists** for better long-term reliability, though they will cost more.

Ultimately, this stem is a **good value for its category**, but weigh your riding style and priorities before purchasing.

Details:

Excellent condition lightly used carbon Deda China knockoff version of stem I paid $100 for it brand new shipped from. The new version of this stem currently retails for $85.02 and chips from China. FREE FedEx Ground to the lower 48 states Excellent condition lightly used carbon Deda China knockoff version of stem. No signs of wear and no issues, but massively marked down shipped from the USA.

My loss is your gain!, Handlebar clamp: 31.8mm 12 Degree Rise 90mm length 1/8 steered tube, Comes with the parts kit shown in 2nd photo. Comes with top cap, does not come bolt for cap.

specifications ribicycl:

• brand: Deda Elementi
• part type: Bike Bicycle Stem
• clamp diameter: 31.8mm
• compatible bike type: Road Bike
• set includes: Cables
• material: Carbon
• item length: 90 Mm
• upc: 055774368650

payments ribicycl:

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

returns ribicycl:

• policy: No Returns

offer ribicycl:

• started: February 10, 2026
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

shipping ribicycl:

• type: Calculated
• service: FedEx Ground / FedEx Home Delivery
• cost: $0.00
• class: Standard
• carrier: FedEx
• transit: 3-8 Days

seller ribicycl:

• city: Fresno, California
• # reviews: 775
• rating: 100.0%

general ribicycl:

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

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