SHIMANO EFCRX600111CXB0 Grx Crankarms GRX-810 FC-RX810 172.5MM

( Brand: Shimano ), ( Manufacturer Part Number: EFCRX600111CXB0 ), ( Model: GRX-810 ), ( Compatible Brand: For Shimano ), ( Color: Black ), ( Bottom Bracket Shell Type: Bsa ), ( Set Includes: Crankset ), ( Material: Aluminum, Steel ), ( Item Length: 172 Mm ), ( Number Of Speeds: 2 Speed ), ( Crankarm Length: 172.5 Mm ), ( Manufacturer Warranty: 2 Years ), ( Compatible Bike Type: Gravel Bike ), ( Number Of Chainrings: Double ), ( Item Weight: 1 Lbs. ), ( Part Type: Crank Arms )

Review SHIMANO Grx Crankarms 172.5mm Used

The **Shimano GRX FC-RX810 Crankset (EF-CRX600111CXB0)** represents the pinnacle of Shimano s GRX lineup, engineered for road cyclists seeking a seamless blend of performance, durability, and versatility across gravel, cyclocross, and light off-road adventures. With a **172.5mm Q-factor** optimized for a balanced pedal stroke and efficient power transfer these crankarms are meticulously crafted to accommodate Shimano s **GRX 11-speed drivetrain**, delivering smooth, precise shifting and a responsive ride. The **FC-RX810 model** features a **forged aluminum construction**, ensuring a rigid yet lightweight frame that minimizes vibration and maximizes energy transfer, while its **integrated bottom bracket shell** (compatible with Shimano s Hollowtech II bearings) guarantees durability and smooth rotation even under demanding conditions. The **spindle is precision-machined** to reduce weight without compromising strength, and the **threaded spindle design** allows for easy installation and removal, making maintenance straightforward. Designed with a **compact 34/50T chainring setup**, these crankarms excel in climbing efficiency, while the **11-speed compatibility** ensures seamless gear progression for both steep ascents and fast descents. The **GRX-specific design** incorporates subtle refinements, such as optimized chainline alignment and a slightly wider axle for enhanced stability, making it an ideal choice for riders who demand reliability without sacrificing the agility of a road bike. Whether tackling rough gravel trails, muddy cyclocross courses, or long-distance rides, the **EF-CRX600111CXB0** delivers a harmonious fusion of road bike precision and off-road resilience, proving that versatility doesn t have to come at the expense of performance.

The **Shimano GRX FC-RX810 crankset** (EF-CRX600111CXB0) is a mid-range gravel/endurance crank designed for versatility, offering a balance between performance and affordability. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Compatibility with Multiple Systems**

The FC-RX810 is compatible with both **Shimano GRX** and **Shimano Deore** groupsets, making it a flexible choice for riders who may upgrade or switch setups later. It works with **GRX 105, GRX RX800, Deore XT, and Deore** derailleurs and shifters, reducing long-term costs if you plan to upgrade.

2. **Lightweight Construction**

The crankset uses **aluminum alloy** with a **hollow axle design**, keeping weight down while maintaining durability. This makes it a good option for gravel riders who prioritize efficiency without sacrificing too much strength.

3. **Durable and Reliable**

Shimano s **GRX line** is known for its robustness, and the RX810 is no exception. It is built to handle rough terrain, mud, and occasional heavy use without frequent failures. The **spindle is reinforced**, reducing the risk of bending under stress.

4. **Affordable for the Performance**

Compared to higher-end gravel cranksets (e.g., **GRX 105 or SRAM Code**), the RX810 offers a **cost-effective alternative** without sacrificing too much performance. It s ideal for riders who want a **premium feel** without the premium price of a full GRX 105 setup.

5. **Wide Chainline Options**

The crankset is available in **standard (172.5mm)** and **compact (165mm)** chainline versions, allowing for better wheel clearance on wider gravel tires. The **172.5mm version** is the most common and works well with most gravel bikes.

6. **Good for Endurance and Gravel Riding**

The **longer chainstays** (compared to road cranks) and **durable build** make it suitable for gravel, adventure, and endurance riding. It s not as aggressive as a road crank but offers better stability on rough surfaces.

7. **Easy to Install and Maintain**

Shimano components are widely supported by mechanics, and the **bolt-on design** makes it straightforward to install or replace. Spare parts and servicing are readily available.

8. **Decent Pedaling Efficiency**

While not as smooth as a **105 or Ultegra crank**, the RX810 provides **solid power transfer** and a **responsive feel**, making it suitable for riders who prioritize durability over ultra-lightweight performance.

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### **Cons**

1. **Not as Light as Premium Options**

The RX810 is heavier than **GRX 105 or SRAM Code cranks**, which use **carbon or more advanced alloys**. If weight savings are a priority (e.g., for long-distance racing), this may be a drawback.

2. **Limited to Shimano Ecosystem**

While compatible with multiple Shimano groupsets, it **does not work with SRAM or Campagnolo** systems. If you re invested in a non-Shimano setup, this could be a limitation.

3. **Less Refined Than Higher-End GRX**

The **GRX RX810 is not as smooth or precise** as the **GRX RX810 (higher model) or GRX 105**. Some riders may notice slight **flex or less buttery shifting** compared to premium cranks.

4. **No Carbon Option**

Unlike some gravel cranks (e.g., **SRAM Code, FSA Omega**), the RX810 is **aluminum-only**, which means it won t offer the same stiffness or vibration damping as carbon.

5. **Potential for Wear Over Time**

While durable, **heavy or aggressive riding** (e.g., frequent descents on rough terrain) may cause **spindle fatigue or bearing wear** faster than expected. Regular maintenance is recommended.

6. **Less Customization**

Shimano s gravel cranks are **less modular** than some competitors (e.g., **FSA Omega allows different spindle lengths**). The RX810 has fewer customization options compared to higher-end setups.

7. **Not Ideal for Racing or Time Trials**

If you re looking for **aero efficiency or ultra-lightweight performance**, the RX810 is **not the best choice**. It s designed for **versatility and durability**, not speed.

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### **Conclusion**

The **Shimano GRX FC-RX810 crankset (EF-CRX600111CXB0, 172.5mm)** is an **excellent mid-range option** for gravel, endurance, and adventure riders who want a **durable, versatile, and cost-effective** crankset. It strikes a balance between **performance and reliability**, making it suitable for riders who prioritize **longevity and compatibility** over ultra-lightweight or racing-specific features.

- Riders who need **maximum stiffness or carbon benefits**.

- Those who want **SRAM/Campagnolo compatibility**.

- Competitive racers looking for **aero or ultra-lightweight cranks**.

If you re building a **gravel bike on a budget**, upgrading to **GRX 105 later**, or simply want a **reliable workhorse crank**, the RX810 is a **solid pick**. However, if you can invest slightly more, the **GRX RX810 (higher model) or SRAM Code** may offer better performance.

---

### **Recommendation**

You re on a **budget but want a premium feel**.

You plan to **upgrade to a Shimano groupset later** (GRX 105, Deore XT).

You prioritize **durability and versatility** over weight savings.

You ride **gravel, adventure, or endurance** and need a **reliable crank**.

You want **carbon or ultra-lightweight** (e.g., **SRAM Code, FSA Omega**).

You re **fully committed to SRAM/Campagnolo** and need **full ecosystem compatibility**.

You re a **racer or time trialist** looking for **aero efficiency**.

**Final Verdict:** The **Shimano GRX FC-RX810 is a well-rounded, practical choice** for most gravel and endurance riders, offering great value without major compromises. It s a **smart investment** for those who want a **durable, flexible, and cost-effective** crankset.

Details:

Comes with right and left crank arm reload cap. Shimano RX810 crankarms, no chainring, 172.5mm. Set it up at 1x or 2x. Crank is in great condition, has a few scrapes from regular riding, maybe 500-600 miles on it.

part #: efcrx600111cxb0 prices

• $37.48-$114.99

specifications ribicycl:

• brand: Shimano
• mpn: Efcrx600111cxb0
• model: Grx-810
• compatible brand: For Shimano
• color: Black
• bottom bracket shell type: Bsa
• set includes: Crankset
• material: Aluminum, Steel
• item length: 172 Mm
• number of speeds: 2 Speed
• crankarm length: 172.5 Mm
• manufacturer warranty: 2 Years
• compatible bike type: Gravel Bike
• number of chainrings: Double
• item weight: 1 Lbs.
• part type: Crank Arms

shipping ribicycl:

• type: Fixed
• carrier: USPS
• cost: $6.57
• transit: 5-9 Days
• service: USPS Ground Advantage
• class: Standard

seller ribicycl:

• rating: 100.0%
• # reviews: 15
• city: Leeds, Massachusetts

offer ribicycl:

• availability: In Stock
• started: May 11, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1

returns ribicycl:

• policy: No Returns

payments ribicycl:

general ribicycl:

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

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