1. Bicycle Rims For Sale
  2. sku: 17127705149752722
  3. CERV LO AB04

CERV LO AB04 Cervelo Alloy Road Handlebar Caledonia 42CM 31.8MM 125

Ab04 Cerv Lo Cervelo Alloy Road Handlebar 42cm 31.8mm 70 Reach 125 Drop Caledonia

( Brand: Cerv Lo ), ( Manufacturer Part Number: AB04 ), ( Model: CERVELO AB04 ), ( Handlebar Type: Drop Bar ), ( Clamp Diameter: 31.8 Mm ), ( Color: Black ), ( Compatible Bike Type: Universal, Racing Bike, Road Bike ), ( Set Includes: Handlebar ), ( Material: Aluminum Alloy ), ( Item Width: 420 Mm ), ( Item Weight: 323 Grams ), ( Part Type: Handlebars )

Review CERV LO Cervelo Alloy Road Handlebar 42cm 31.8mm Reach 125 Drop Caledonia

The **Cervelo Alloy Road Handlebar (AB04)** is a precision-engineered component designed for cyclists seeking a blend of performance, durability, and ergonomic efficiency on the road. Crafted from high-grade aluminum alloy, this handlebar features a sleek, aerodynamic profile that minimizes drag while maintaining structural integrity, making it an ideal choice for both competitive riders and serious enthusiasts. With a **42cm width**, it offers a balanced stance for riders of average build, promoting a natural, efficient riding position that reduces strain on the wrists and shoulders while optimizing power transfer. The **31.8mm diameter** ensures compatibility with a wide range of stem lengths and angles, allowing for customizable fit adjustments to suit individual preferences, whether prioritizing aerodynamics, comfort, or climbing efficiency.

The **70/125 caliper** design provides a secure and stable mounting system for brake levers, shifters, and other accessories, ensuring reliable operation under demanding conditions. This caliper style is particularly favored by road cyclists for its robustness and ease of installation, accommodating both drop handlebar setups and integrated systems seamlessly. The **Caledonia** model, part of Cervelo s high-performance lineup, reflects the brand s commitment to innovation and precision, with features like optimized weight distribution and refined contours to enhance grip and reduce fatigue during long rides. Whether tackling grueling century rides, training sessions, or competitive races, this handlebar delivers a responsive, lightweight feel that complements Cervelo s reputation for cutting-edge cycling technology. Its clean, minimalist design also ensures it pairs effortlessly with modern road bikes, offering both aesthetic appeal and functional excellence.

### Pros and Cons of buying a Cerv lo Alloy Road Handlebar (AB04, 42cm, 31.8mm, 70 /125 )

#### **Pros**

1. **High-Quality Materials** The Cerv lo AB04 is made from high-grade aluminum alloy, offering a strong yet lightweight construction. This ensures durability without excessive weight, which is ideal for road cycling where aerodynamics and efficiency matter.

2. **Ergonomic Design** The handlebar features a **70 /125 drop angle**, providing a balanced position for both comfort and aerodynamics. This design reduces strain on the wrists and shoulders while allowing a more aggressive riding posture for speed.

3. **Compatibility** The **31.8mm rise** is a standard height for modern road handlebars, making it compatible with most road bikes, including drop-bar setups. The **42cm width** is also a common size, though riders with wider shoulders may find it slightly narrow.

4. **Aerodynamic Efficiency** Cerv lo is known for its aerodynamic components, and this handlebar is no exception. Its sleek design helps reduce wind resistance, which can improve speed and reduce fatigue on long rides.

5. **Durability** The alloy construction is resistant to corrosion and wear, making it suitable for both casual and competitive riding. It also handles minor impacts better than carbon fiber alternatives.

6. **Compatibility with Common Stem Heights** The **70 /125 drop** is a versatile angle that works well with various stem lengths, allowing riders to fine-tune their reach and comfort.

7. **Brand Reputation** Cerv lo is a well-respected brand in the cycling industry, known for innovation and performance-oriented products. This handlebar is often used in professional racing, indicating its reliability.

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#### **Cons**

1. **Weight** While the alloy construction keeps it lightweight, it may not be as light as carbon fiber alternatives. For ultra-lightweight setups (e.g., time trial or gravel bikes), a carbon handlebar might be preferable.

2. **Potential for Dents or Scratches** Aluminum is more prone to dents and scratches than carbon fiber, which could affect aesthetics over time. However, this is mostly cosmetic unless the damage compromises structural integrity.

3. **Less Vibration Damping** Unlike carbon fiber, aluminum does not absorb vibrations as effectively. This can lead to slightly more transmitted road noise and impact, though this is usually mitigated by proper tire pressure and suspension in the bike s wheels.

4. **Limited Customization** Unlike some carbon handlebars, alloy handlebars typically come in fixed sizes and colors. If you want a unique finish or specific dimensions, you may need to look elsewhere.

5. **Price** While not excessively expensive for a Cerv lo product, it may be more costly than generic alloy handlebars from lesser-known brands. However, the quality justifies the price for many cyclists.

6. **Potential for Loose Bolts** Some riders report that the bolt holes in alloy handlebars can occasionally loosen over time, requiring periodic tightening. This is not unique to Cerv lo but is a general consideration with metal components.

7. **Not Ideal for Extreme Off-Road Use** While durable, this handlebar is designed primarily for road cycling. For aggressive gravel or mountain biking, a more robust (and often wider) handlebar may be better suited.

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### **Conclusion**

The **Cerv lo AB04 alloy road handlebar** is an excellent choice for road cyclists who prioritize **durability, aerodynamics, and ergonomic comfort**. Its **70 /125 drop angle** and **31.8mm rise** make it versatile for various riding styles, while the **aluminum construction** ensures a strong yet lightweight solution. It is well-suited for **training, racing, and long-distance riding**, though it may not be the best fit for ultra-lightweight setups or extreme off-road use.

For riders who want a **high-performance, reliable handlebar** without the added cost of carbon fiber, this is a strong recommendation. However, if you prefer **maximum vibration damping, customization, or a lighter feel**, you may want to consider carbon alternatives.

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### **Recommendation**

**Buy this handlebar if:**

- You ride primarily on the road and value **durability, aerodynamics, and Cerv lo s reputation**.

- You want a **versatile drop handlebar** that works well with most road bike setups.

- You prefer **aluminum over carbon** for its strength-to-weight ratio and lower cost.

- You prioritize **comfort and efficiency** in a racing or endurance riding context.

**Consider alternatives if:**

- You need **ultra-lightweight performance** (e.g., for time trials or gravel bikes) and are willing to pay for carbon fiber.

- You require **wider handlebars** (e.g., for gravel or comfort riding).

- You want **custom colors or unique finishes** that alloy handlebars typically don t offer.

**Final Verdict:** This is a **solid, high-quality handlebar** that delivers great value for road cyclists. Unless you have specific needs that carbon fiber or wider bars can address, the Cerv lo AB04 is a **reliable and well-engineered choice**.

Details:

I am the original and only owner. Model: CerveLo AB04. No crashes, bends, or structural issues. Very clean overall with only minimal signs of normal use.

Comes from a smoke-free, pet-free home. This is the original factory handlebar supplied with bike. Included, 1 CerveLo AB04 alLoy handlebar as shown in the photos. CerveLo AB04 alLoy road handlebar removed from a 2023 Caledonia Rival ETA AXS size 56.

Please review all photos carefully as they are part of the. I changed it out for different geometry to fit my odd shaped body. Ships to Lower 48 US states only.

part #: ab04 price

  • $3400.00

specifications ribicycl:

  • brand: Cerv Lo
  • mpn: Ab04
  • model: Cervelo Ab04
  • handlebar type: Drop Bar
  • clamp diameter: 31.8 Mm
  • color: Black
  • compatible bike type: Universal, Racing Bike, Road Bike
  • set includes: Handlebar
  • material: Aluminum Alloy
  • item width: 420 Mm
  • item weight: 323 Grams
  • part type: Handlebars

shipping ribicycl:

  • service: USPS Ground Advantage
  • cost: $0.00
  • carrier: USPS
  • transit: 4-10 Days
  • type: Calculated
  • class: Standard

general ribicycl:

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

returns ribicycl:

  • policy: No Returns

seller ribicycl:

  • # reviews: 283
  • city: Littleton, CoLorado
  • rating: 100.0%

payments ribicycl:

  • wallet: Apple-pay
  • credit card: Visa
  • other

offer ribicycl:

  • started: March 15, 2026
  • options: Ship-to-home
  • quantity: 1
  • sold: 0
  • availability: In Stock
  • best offers: True
handlebar type: drop bar, clamp diameter: 31.8 mm, compatible bike type: universal, racing bike, road bike, set includes: handlebar, item width: 420 mm, item weight: 323 grams, part type: handlebars,
category: sporting goods > cycling > bicycle components parts > handlebars, color: black, material: aluminum alloy, sku: 17127705149752722,
Cerv Lo AB04 Is Similar To:
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1 offer $3400.00 USD
  • Used. Offer #1 priced at $3400.00 + $94.82 shipping estimate = $3494.82* total. Gearset: Shimano Ultegra 6870 Di2 (2x11-speed electronic shifting). Up for sale is this high-performance 2017 Cervelo S5 in an eye-catching black and chartreuse colorway.+$94.82 shipping

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