CAMPAGNOLO CN03-RE10 Record Ultra Chain CN6-REX

( Brand: Campagnolo ), ( Manufacturer Part Number: CN03-RE10 ), ( Compatible Brand: Ultra Drive ), ( Color: Silver ), ( Country Of Manufacture: Italy ), ( Compatible Model: Super Record, Chorus, Veloce, Mirage ), ( Set Includes: Chain ), ( Material: Steel ), ( Bundle Listing: No ), ( Number Of Speeds: 10 Speed ), ( Compatible Bike Type: Universal, Cyclocross Bike, Fitness-/crossbike, Gravel Bike, Hardtail Bike, Hybrid Bike, Racing Bike, Road Bike, Time Trial/triathlon Bike, Touring Bike, Road Bike Racing )

Review CAMPAGNOLO Record Speed Ultra Narrow Chain Low Miles

The **Campagnolo CN03-RE10 Record 10 Ultra Chain (CN6-REX)** represents the pinnacle of precision engineering and performance in the cycling world, meticulously crafted for those who demand nothing less than perfection from their drivetrain. This ultra-high-end chain is the backbone of Campagnolo s legendary **Record 10 Ultra** system, a group designed for competitive cyclists and discerning enthusiasts who seek seamless shifting, unmatched durability, and the quiet, effortless operation that only Campagnolo s proprietary **REX (Record Evolution X)** technology can deliver. Engineered from **high-grade, heat-treated steel**, the CN03-RE10 chain features a **10-speed configuration**, optimized for the **Record 10 Ultra s** compact, aerodynamic cassette and derailleur system, ensuring flawless engagement across all gears from the smallest sprocket to the largest crank arm. The chain s **precision-machined rollers and pins** are treated with a **low-friction coating**, reducing internal wear while minimizing noise, a hallmark of Campagnolo s commitment to silent, efficient shifting. Each link is **laser-welded** for exceptional strength and consistency, eliminating the risk of chain stretch or breakage even under the most demanding conditions, such as high-speed climbing or aggressive sprinting. The **REX technology** further enhances performance by incorporating **optimized plate geometry and a refined pin design**, which reduces lateral play and improves chain retention on the cassette, resulting in smoother, more predictable shifting critical for racers and time trialists who rely on every ounce of efficiency. Built to withstand the rigors of professional racing and daily training, this chain is **lifetime lubricated** with Campagnolo s proprietary **REX oil**, which resists contamination and maintains optimal performance even in harsh environments. Whether paired with a **Record 10 Ultra** groupset or integrated into a custom build, the CN03-RE10 chain embodies Campagnolo s legacy of innovation, blending Italian craftsmanship with cutting-edge technology to deliver a drivetrain component that elevates every pedal stroke. For those who refuse to compromise on quality, this chain is not just an accessory it s a statement of excellence.

### **Pros and Cons of buying a Campagnolo CN03-RE10 Record 10 Ultra Chain (CN6-REX)**

1. **Ultra-Lightweight Design** The CN03-RE10 chain is one of the lightest in its class, weighing just **105 grams**, which reduces rotational mass and improves acceleration, especially in time trials and sprints.

2. **High Strength-to-Weight Ratio** Despite its lightweight, it maintains **high durability** due to Campagnolo s proprietary **RE10 (Record 10) technology**, which enhances fatigue resistance compared to standard chains.

3. **Optimized for Aerodynamics** The **CN03 (Chromoly-Nickel 316L)** material reduces drag, making it ideal for high-speed riding, particularly in aerodynamic road bikes.

4. **Compatibility with Record 10 Groupset** Works seamlessly with **Campagnolo s Record 10 drivetrain**, ensuring smooth shifting and reduced wear due to optimized chainline and component integration.

5. **Corrosion Resistance** The **REX (Rust-Enduring X)** coating provides **enhanced corrosion protection**, making it suitable for wet or salty riding conditions without frequent maintenance.

6. **Precision Engineering** Campagnolo s **high-precision manufacturing** ensures consistent performance, reducing the risk of chain stretch or misalignment over time.

7. **Long-Lasting Durability** The **RE10 chain links** are designed to last longer than standard chains, reducing replacement frequency and maintenance costs.

8. **Compatibility with Other Brands (Limited)** While primarily designed for Campagnolo, it can sometimes be used with **Shimano 105/Ultegra** or **SRAM Force** derailleurs with minor adjustments, though performance may not be optimal.

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1. **Expensive** The **CN03-RE10 Record 10 Ultra chain** is significantly pricier than standard chains (e.g., Shimano s PD-M9000 or SRAM s PowerLink), costing **around $150 $200**, making it a less accessible option for budget-conscious riders.

2. **Limited Availability** Unlike mass-produced chains, it may not be as widely stocked in bike shops, requiring **special ordering** or purchasing online.

3. **Specialized Use Case** While excellent for **aero road bikes and time trials**, it may offer **marginal benefits** for gravel, mountain biking, or casual riding where weight savings are less critical.

4. **Maintenance Sensitivity** Like all high-end chains, it requires **cleanliness and lubrication** to perform optimally. Neglecting maintenance can lead to premature wear despite its durability.

5. **Potential Overkill for Some Riders** If you don t ride in **competitive or high-speed conditions**, the cost may not justify the performance gains over a **mid-range chain** (e.g., Shimano s PD-M8000 or SRAM s 105).

6. **Compatibility Issues with Non-Campagnolo Systems** While it can sometimes work with other brands, **shifting quality may degrade**, and some derailleurs may not handle it as smoothly as Campagnolo s own components.

7. **Chain Wear Monitoring Required** Due to its high performance, **regular chain wear checks** are necessary to prevent damage to sprockets and derailleurs, adding to maintenance effort.

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The **Campagnolo CN03-RE10 Record 10 Ultra chain** is a **premium product** best suited for **competitive cyclists, time trialists, and riders using Campagnolo s Record 10 groupset** who prioritize **weight savings, aerodynamics, and longevity**. Its **superior strength, corrosion resistance, and lightweight construction** justify its cost for those who demand the best performance.

However, for **recreational riders, budget-conscious cyclists, or those not using a full Campagnolo setup**, the **higher price and specialized nature** make it less practical. In such cases, a **mid-range chain (e.g., Shimano PD-M9000 or SRAM PowerLink)** offers a better **cost-to-benefit ratio** without sacrificing too much performance.

---

- You ride a **Campagnolo Record 10 groupset** and prioritize **weight, aerodynamics, and durability**.

- You compete in **time trials, criteriums, or high-speed road racing**.

- You can afford the **premium price** and want the **best-in-class chain** for your setup.

- You re on a **tight budget** and can opt for a **more affordable alternative**.

- You don t ride in **high-performance conditions** where weight matters.

- You re using a **non-Campagnolo drivetrain** and shifting consistency is a concern.

For most **serious road cyclists using Campagnolo**, this chain is a **worthwhile investment**. For everyone else, a **high-quality but more accessible chain** may be a smarter choice.

Details:

Low mile take-off. Campagnolo Record 9 or 10sp chain in near-mint condition. Discount for combined shipping. SHIPPING: I send via UPS, FedEx, or US Postal mail.

Solid replacement unit for your road bike like a Clangor, Cannon dale, Lite speed,Merlin, Trek, Kestrel, Specialized, Steel man, Giant, Raleigh, Dross, GT, Klein, Dean, etc. This does not come with any original packaging. 108 links, including the quick link.

part #: cn03re10 prices

• $59.99-$71.99

specifications ribicycl:

• brand: Campagnolo
• mpn: Cn03-re10
• compatible brand: Ultra Drive
• color: Silver
• country of manufacture: Italy
• compatible model: Super Record, Chorus, Veloce, Mirage
• set includes: Chain
• material: Steel
• bundle listing: No
• number of speeds: 10 Speed
• compatible bike type: Universal, Cyclocross Bike, Fitness-/crossbike, Gravel Bike, Hardtail Bike, Hybrid Bike, Racing Bike, Road Bike, Time Trial/triathlon Bike, Touring Bike, Road Bike Racing

shipping ribicycl:

• cost: $0.00
• transit: 5-10 Days
• carrier: USPS
• type: Calculated
• service: USPS Ground Advantage
• class: Standard

seller ribicycl:

• # reviews: 1435
• rating: 100.0%
• city: Glendora, California

returns ribicycl:

• policy: No Returns

general ribicycl:

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

payments ribicycl:

• other
• credit card: Diners-club
• wallet: Google-pay

offer ribicycl:

• started: February 15, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1

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