SHIMANO FC-MT511-1 Deore Drive Crank Arm Boost Spacing 175MM 30T

( Brand: Shimano ), ( Manufacturer Part Number: FC-MT511-1 ), ( Model: SHIMANO DEORE FC-MT511-1 ), ( Part Type: Drive Crank ), ( Item Width: 175 Mm ), ( Color: Black ), ( Set Includes: Crankset ), ( Material: Aluminum ), ( Number Of Speeds: 1 Speed ), ( Compatible Bike Type: Mountain Bike ), ( Number Of Chainrings: Single ), ( Country Of Origin: Japan )

Review SHIMANO Deore Drive Side Crank Arm 175mm 30t Boost Spacing

The **Shimano FC-MT511-1 Deore Drive Crank Arm (175mm, 30T, Boost Spacing)** represents a refined yet rugged component designed for cyclists seeking a balance of performance, durability, and precision in their mountain biking experience. Part of Shimano s Deore lineup a series celebrated for its reliability and value this crank arm is engineered to deliver consistent power transfer while accommodating the demands of aggressive off-road riding. The **175mm Q-factor** (distance between the pedal spindle centers) strikes an optimal balance between stability and maneuverability, allowing for a natural, efficient pedal stroke that reduces fatigue over long descents or grueling climbs. The **30-tooth chainring** is a versatile choice, offering a blend of climbing efficiency and descending control; its moderate size ensures smooth, predictable gearing across a variety of terrains, from technical singletrack to fast-flowing trails, without sacrificing the torque needed for aggressive pedal strikes.

Constructed from **high-strength aluminum**, the crank arm is both lightweight and robust, capable of withstanding the repeated stress of rough landings, rock gardens, and high-speed impacts without compromising structural integrity. Shimano s **Boost spacing** (110mm bottom bracket shell width) further enhances the crank s rigidity, reducing flex and improving pedal efficiency a critical advantage for riders pushing hard in technical or endurance-focused rides. The **Deore drivetrain compatibility** ensures seamless integration with Shimano s MT2000 or higher-series components, including the Deore CS-HG500 or HG600 derailleurs, for a cohesive and reliable shifting experience. Whether paired with a wide-range cassette for climbing or a more moderate setup for all-mountain versatility, this crank arm delivers the precision and durability expected from Shimano s mid-tier offering.

Beyond its technical specifications, the **FC-MT511-1** embodies Shimano s commitment to rider-centric design, featuring subtle refinements like optimized chainline alignment and a streamlined shape that minimizes wind resistance and pedal strike noise. Its **direct-mount design** (without a separate spider) simplifies installation and maintenance, while the **durable powder-coat finish** resists scratches and corrosion, ensuring longevity even in harsh conditions. Ideal for riders upgrading from entry-level setups or those seeking a cost-effective yet high-performance alternative to higher-end models, this crank arm is a testament to Shimano s ability to deliver performance-driven components without sacrificing affordability. Perfect for mountain bikers who demand reliability, efficiency, and the confidence to tackle anything the trail throws at them, the **Shimano FC-MT511-1 Deore Drive Crank Arm** is a dependable workhorse for both daily rides and serious off-road adventures.

### **Pros and Cons of buying a Shimano FC-MT511-1 (Deore, 175mm, 30T Boost Spacing)**

1. **Compatibility with Boost and Non-Boost Frames**

The 175mm BCD (bolt circle diameter) and boost spacing make this crankset versatile. It works on both boost (148mm) and non-boost (135mm) frames by using the appropriate spacers or adapters. This flexibility is useful if you plan to upgrade frames or have multiple bikes.

2. **Deore-Level Performance**

The FC-MT511-1 is part of Shimano s Deore group, offering a solid mid-range performance with reliable shifting and durability. It s a good choice for casual to intermediate riders who want a balance between cost and quality without going for higher-end models like SLX or XT.

3. **Durability and Reliability**

Shimano s Deore components are known for their robustness, especially in the crankset area. The FC-MT511-1 is built to handle moderate stress, making it suitable for daily riding, gravel, or light trail use. The 30T chainring is a standard size, reducing the risk of chainline issues on most setups.

4. **Cost-Effective Upgrade**

Compared to higher-tier cranksets (e.g., SLX or XT), the Deore FC-MT511-1 offers significant savings while still providing a smooth ride. It s an excellent option for riders who want to improve their drivetrain without a large investment.

5. **Wide Chainring Options**

The 30T chainring is a versatile choice, working well with a wide range of cassette setups (e.g., 10-42T or 11-50T). This makes it adaptable to different riding styles, from climbing to all-around use.

6. **Shimano s Ease of Maintenance**

Shimano components are widely serviced and repaired by bike shops worldwide. Parts are readily available, and the drivetrain is straightforward to clean and maintain, which can save time and money in the long run.

7. **Lightweight for the Tier**

While not as light as higher-end cranksets, the FC-MT511-1 is still relatively lightweight for a Deore model, reducing rotational weight compared to heavier bottom brackets or frames.

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1. **Limited to Single Chainring (SCR) Use**

The FC-MT511-1 is a single chainring crankset, which means you lose the versatility of a double or triple chainring setup. While this simplifies maintenance and reduces weight, it may not suit riders who prefer the flexibility of multiple gears for climbing or descending.

2. **No Hydraulic Disc Brake Compatibility (Unless Paired with Hydraulic System)**

The FC-MT511-1 is a mechanical drivetrain component. If you re using hydraulic disc brakes, the shifting may not be as precise or smooth as it would be with a hydraulic groupset (e.g., Deore HD or higher). However, this is more of a shifting nuisance than a major flaw.

3. **Boost Spacing Requires Adaptation**

While the boost spacing is an advantage for compatibility, it may not be ideal if you re using a non-boost frame without spacers. Some riders find the slightly longer chainline can cause minor chainline issues if not perfectly aligned, though this is rare with proper setup.

4. **No Bottom Bracket Included**

The FC-MT511-1 is a crankset only, meaning you ll need to purchase a compatible bottom bracket separately. This adds to the upfront cost and requires careful selection to ensure compatibility with your frame (e.g., BB86, BB92, or Boost).

5. **Wear Over Time**

Like all drivetrain components, the chainrings and chainring bolts will wear with use. The 30T chainring, while durable, may require replacement or polishing after significant mileage, especially if paired with a worn cassette or chain.

6. **Not Ideal for Extreme Terrain**

While suitable for most riding conditions, the Deore FC-MT511-1 may not be the best choice for aggressive off-road use (e.g., downhill or extreme trail riding). Higher-tier cranksets (e.g., SLX or XT) offer better durability and performance in such scenarios.

7. **Limited Upgrade Path**

If you later decide to upgrade to a higher-end groupset (e.g., SLX or XT), you may need to replace the entire crankset, as the bottom bracket and spindle compatibility may not align perfectly with lower-tier models.

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### **Conclusion and Recommendation**

The **Shimano FC-MT511-1 (Deore, 175mm, 30T Boost Spacing)** is a **solid, cost-effective choice** for riders who prioritize versatility, reliability, and ease of use without breaking the bank. It excels in compatibility with boost and non-boost frames, making it a practical option for those with multiple bikes or future frame upgrades. The Deore-level performance ensures smooth shifting and durability for daily riding, gravel, or light trail use.

- You want a **single chainring setup** for simplicity and reduced maintenance.

- You need **boost spacing compatibility** for your current or future frame.

- You re on a **budget** but still want a quality Shimano drivetrain.

- You plan to pair it with a **mechanical derailleur** (e.g., Deore FD-M5100) and don t require hydraulic shifting precision.

- You re upgrading from a lower-tier groupset (e.g., Tourney or Altus) and want noticeable improvement without overpaying.

- You **prefer multiple chainrings** (double or triple) for climbing or descending flexibility.

- You re using **hydraulic disc brakes** and want seamless shifting integration (consider a Deore HD or higher groupset).

- You ride **aggressive off-road terrain** frequently and need the durability of SLX or XT components.

- You **don t want to deal with spacers or adapters** for non-boost frames (though this is manageable with the right setup).

The FC-MT511-1 is an **excellent mid-range crankset** that delivers great value for money. It s particularly well-suited for riders who value compatibility, simplicity, and reliability without sacrificing performance. If your needs align with its strengths, it s a **highly recommended purchase**. However, if you require more advanced features (e.g., hydraulic shifting, multiple chainrings, or extreme durability), consider stepping up to a higher-tier Shimano model or exploring alternatives like SRAM s Apex or NX groupsets.

Details:

Lightly used Deore 12 speed drive side crank arm and 30T chainring. Note the non drive side crank arm is not included.

part #: fcmt5111 prices

• $42.02-$50.67

specifications ribicycl:

• brand: Shimano
• mpn: Fc-mt511-1
• model: Shimano Deore Fc-mt511-1
• part type: Drive Crank
• item width: 175 Mm
• color: Black
• set includes: Crankset
• material: Aluminum
• number of speeds: 1 Speed
• compatible bike type: Mountain Bike
• number of chainrings: Single
• country of origin: Japan

offer ribicycl:

• started: March 18, 2026
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 1

shipping ribicycl:

• cost: $7.57
• type: Calculated
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• transit: 5-10 Days

payments ribicycl:

• credit card: Diners-club
• other
• wallet: Paypal

seller ribicycl:

• # reviews: 149
• rating: 100.0%
• city: Milwaukee, Wisconsin

general ribicycl:

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

returns ribicycl:

• policy: No Returns

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