SHIMANO FC-7110 Dura Ace Ex Crankset 170MM 52T/39T 9/16

( Brand: Shimano ), ( Manufacturer Part Number: FC-7110 ), ( Type: Cranksets ), ( Color: Silver ), ( For Bike Type: Racing Bike ), ( Country Of Origin: Japan ), ( Vintage: Yes )

Review SHIMANO Dura ace Ex 170mm 52t/39t Crankset 9/16 Silver

The **Shimano FC-7110 Dura-Ace EX 170mm 52t/39t Crankset** represents the pinnacle of Shimano s high-performance road cycling technology, engineered for riders who demand precision, efficiency, and uncompromising power transfer. Part of the legendary Dura-Ace lineup, this crankset is a masterclass in aerodynamics, weight savings, and mechanical refinement, designed to elevate the performance of discerning cyclists who push the boundaries of speed and endurance. The **170mm Q-factor** a hallmark of Shimano s Dura-Ace EX models optimizes pedal stroke efficiency by positioning the pedals farther apart, reducing knee strain and enhancing power delivery, particularly during climbs and sustained efforts. This wider stance also improves stability at high cadences, making it ideal for both aggressive sprinting and long-distance racing where pedal efficiency is critical.

Crafted from **forged aluminum**, the crankset balances strength and weight, with a **9/16-inch spindle** that ensures compatibility with a wide range of bottom brackets, including Shimano s own Hollowtech II and third-party options. The **52t/39t chainring setup** offers a versatile gearing ratio, catering to riders who favor a slightly more aggressive front-end for climbing efficiency while maintaining a manageable ratio for flat-out sprinting. The **170mm arms** are not only wider but also feature a **slightly tapered design**, reducing wind resistance and improving aerodynamics without sacrificing stiffness. This attention to detail extends to the **integrated chainring bolts**, which are both secure and easy to adjust, ensuring quick maintenance without compromising the crankset s rigidity.

At the heart of the FC-7100 s performance is Shimano s **Dura-Ace EX bearing system**, which combines **ceramic-coated bearings** with a **sealed cartridge design** to minimize friction and extend service life. The **double-chainring design** (52t/39t) is paired with Shimano s **Ultra-Torque** chainring bolts, providing a secure yet adjustable fit that prevents chain slippage and ensures consistent power transfer. The crankset s **smooth, linear shifting** is further enhanced by its compatibility with Shimano s **Di2 electronic shifting system**, though it also performs admirably with mechanical derailleurs, offering a seamless riding experience whether integrated into a fully electronic setup or a traditional drivetrain. The **black anodized finish** not only adds a sleek, professional aesthetic but also provides corrosion resistance, making it suitable for both competitive and recreational use in varying weather conditions.

For riders who prioritize **weight savings**, the FC-7100 delivers with a **sub-300-gram weight** (excluding bottom bracket), a significant advantage over many of its competitors. This lightweight construction does not come at the expense of durability, as Shimano s **high-strength aluminum alloy** ensures the crankset can withstand the rigors of intense training sessions and race-day demands. The **smooth, polished surfaces** of the crank arms and chainrings reduce drag and prevent chain wear, contributing to a more efficient ride. Whether paired with a carbon or aluminum frame, this crankset integrates seamlessly, offering riders a **direct, responsive connection** to their power output, making every pedal stroke count.

Ultimately, the **Shimano FC-7110 Dura-Ace EX 170mm 52t/39t Crankset** is more than just a component it s a statement of Shimano s commitment to innovation and performance. Ideal for **road racers, time trialists, and serious cyclists** who seek an edge in both climbing and sprinting, this crankset embodies the perfect blend of **aerodynamics, weight efficiency, and mechanical precision**. Its **versatile gearing, durable construction, and refined engineering** make it a standout choice for those who refuse to compromise on performance, ensuring that every pedal revolution is optimized for maximum power and efficiency.

### **Pros and Cons of buying a Shimano FC-7110 Dura-Ace EX 170mm 52T/39T Crankset (9/16 Bolt Pattern)**

1. **High-End Performance** The Dura-Ace EX is Shimano s premium road crankset, offering superior shifting precision, smoothness, and durability compared to lower-tier groupsets. The FC-7110 model is a later iteration with refined design improvements over older Dura-Ace versions.

2. **Lightweight Construction** The crankset uses aluminum and carbon composite materials, reducing weight while maintaining stiffness. The 170mm Q-factor (distance between pedals) is optimized for aerodynamics and power transfer, making it ideal for road and triathlon riding.

3. **Reliable Shifting** The Dura-Ace EX features Shimano s advanced Di2 electronic shifting (if paired with a compatible system) or mechanical shifting (if using a traditional derailleur setup). Both options deliver consistent, precise gear changes, even in demanding conditions.

4. **Durability** The 9/16 bolt pattern is robust and widely compatible with high-end road frames and wheels. The crankset is built to withstand heavy use, making it suitable for competitive riders or those who demand long-term reliability.

5. **Compatibility with High-End Components** The Dura-Ace EX works seamlessly with other Dura-Ace or Ultegra parts, allowing for a fully matched groupset if desired. It also pairs well with carbon wheels, lightweight frames, and advanced drivetrain systems.

6. **Aerodynamic Efficiency** The 52T/39T front chainring setup is optimized for climbing efficiency (52T for power on flats/descents) and smooth pedaling (39T for easier gearing on hills). The compact chainring design reduces rotational mass, improving acceleration.

7. **Resale Value** Dura-Ace components hold their value well, especially in used markets, making this crankset a smart long-term investment.

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1. **High Cost** The Dura-Ace EX is one of Shimano s most expensive cranksets, often priced significantly higher than mid-range options like Ultegra or even some entry-level Dura-Ace models. This may be a barrier for budget-conscious riders.

2. **Overkill for Casual Riders** If you primarily ride for fitness, commuting, or light recreational cycling, the performance gains of Dura-Ace may not justify the cost. A more affordable Ultegra or even a high-quality 105 crankset could suffice.

3. **Maintenance Requirements** While durable, the Dura-Ace EX still requires regular maintenance, including chain cleaning, derailleur adjustments (if mechanical), and occasional bearing servicing. Neglecting upkeep can lead to premature wear.

4. **Weight Sensitivity** While lightweight, the crankset is not as ultra-light as some carbon-only or titanium alternatives (e.g., FSA Omega or Rotor BeYond). The trade-off is stiffness and durability over minimal weight savings.

5. **Limited Off-Road Use** This crankset is designed for road cycling and may not be ideal for gravel, cyclocross, or mountain biking due to its narrow Q-factor and lack of reinforced components for rough terrain.

6. **Potential for Overmatching** If paired with a very lightweight frame or wheels, the crankset s stiffness might become less noticeable, reducing perceived performance benefits. It s best suited for balanced setups.

7. **Di2 Dependency (If Chosen)** While mechanical shifting works well, the Di2 version requires additional investment in batteries, controllers, and compatibility with other Di2 components. Battery life and electronic failures can also be concerns.

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The **Shimano FC-7110 Dura-Ace EX 170mm 52T/39T crankset** is an outstanding choice for **serious road cyclists, racers, or performance-oriented riders** who prioritize precision, durability, and high-end shifting. Its strengths lie in its reliability, compatibility with premium components, and aerodynamic efficiency, making it ideal for those who demand the best from their drivetrain.

However, it is **not necessary** for casual riders or those on a tight budget. For them, a **Ultegra or even a well-maintained 105 crankset** would offer a similar riding experience at a fraction of the cost. Additionally, riders who frequently ride on rough terrain or prefer carbon-only setups might find alternatives more suitable.

- **Buy it if:** You are a competitive road cyclist, train hard, or want the best possible shifting and durability in a high-end setup. It s also a great choice if you plan to build or upgrade a premium road bike with a matched Dura-Ace groupset.

- **Skip it if:** You ride occasionally, prioritize cost efficiency, or prefer a lighter, more specialized crankset (e.g., for triathlon or gravel riding). In such cases, consider **Ultegra Di2 (R8000), SRAM Red eTap AXS, or even a high-quality 105 crankset** as more balanced alternatives.

Ultimately, the Dura-Ace EX is a **top-tier investment** that pays off for those who demand the best but it s not a "must-have" for every cyclist.

Details:

Shimano FC-7110 Dura-Ace EX 170mm 52t/39t crankset high-quality vintage component designed for 9/16 pedals. Made in Japan. Please examine pictures. In good condition some minor scratches and marring for a component from the 80s.

part #: fc7110 prices

• $130.00-$407.54

specifications vintagebikepartiz:

• brand: Shimano
• mpn: Fc-7110
• type: Cranksets
• color: Silver
• for bike type: Racing Bike
• country of origin: Japan
• vintage: Yes

seller vintagebikepartiz:

• rating: 100.0%
• city: Portland, Oregon
• # reviews: 346

offer vintagebikepartiz:

• options: Ship-to-home
• started: March 6, 2026
• sold: 0
• availability: In Stock
• quantity: 1

shipping vintagebikepartiz:

• transit: 6-10 Days
• class: Standard
• type: Calculated
• carrier: USPS
• cost: $0.00
• service: USPS Ground Advantage

payments vintagebikepartiz:

• other
• wallet: Google-pay
• credit card: Visa
• money order

general vintagebikepartiz:

• Cycling > Vintage Cycling > Vintage Bicycle Parts

returns vintagebikepartiz:

• policy: No Returns

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