HONDA 51315-HN2-000 Lower Arm Guard 51316-HN2-000

( Manufacturer Part Number: 51315-HN2-000 ), ( Type: Lower Arm Guard ), ( Material: Plastic ), ( Placement On Vehicle: Lower )

Review HONDA And Lower Arm Guard Many Model's fits B70

The **Honda 51315-HN2-000 (B70) Lower Arm Guard** and its companion part, the **51316-HN2-000**, are precision-engineered protective components designed exclusively for Honda s B70 series motorcycles, including models like the CBR600RR, CBR1000RR Fireblade, and other high-performance sportbikes. Crafted from high-grade, durable materials, these lower arm guards serve as a critical safety feature, shielding the motorcycle s swingarm and rear suspension components from road debris, impacts, and environmental wear. The **51315-HN2-000** is the primary lower arm guard, featuring a robust, contoured design that conforms seamlessly to the motorcycle s swingarm, ensuring optimal protection without compromising aerodynamics. Its construction incorporates reinforced plastic or composite materials, engineered to absorb and deflect impacts while maintaining structural integrity under extreme conditions. The **51316-HN2-000**, often paired as an upper or secondary guard, complements the lower guard by extending coverage to the upper swingarm area, reducing the risk of damage from gravel, rocks, or accidental contact during aggressive riding or off-road excursions. Both components are meticulously manufactured to Honda s exacting standards, ensuring a precise fit with minimal clearance, which prevents rattling or misalignment during high-speed maneuvers. Beyond their protective function, these guards contribute to the motorcycle s overall durability, prolonging the lifespan of the swingarm and suspension components by shielding them from abrasive elements. Whether installed as part of a standard maintenance routine or as a replacement due to wear, these guards exemplify Honda s commitment to performance, reliability, and rider safety, making them an essential accessory for enthusiasts who demand both protection and precision in their riding experience.

### **Pros and Cons of buying a Honda 51315-HN2-000 (B70) and 51316-HN2-000 Lower Arm Guards**

#### **Overview**

The **Honda 51315-HN2-000 (B70)** and **51316-HN2-000** are lower arm guards designed for Honda motorcycles, particularly the **Gold Wing (B70 series)**. These guards are part of the bike s suspension system, protecting the lower arm (swingarm) from damage while improving durability and ride comfort.

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### **Pros**

1. **Enhanced Protection**

- The lower arm guard shields the swingarm from road debris, rocks, and minor impacts, reducing wear and tear over time.

- Helps prevent rust and corrosion in areas prone to moisture and dirt accumulation.

2. **Improved Durability**

- Reinforces the swingarm, making it less susceptible to bending or cracking from heavy loads or rough terrain.

- Extends the lifespan of the suspension components, reducing long-term maintenance costs.

3. **Better Ride Comfort**

- Some riders report a slight improvement in ride smoothness due to reduced vibration transfer from the swingarm.

- Helps maintain proper alignment, preventing premature wear on tires and rear shocks.

4. **Easy Installation**

- Designed as a direct replacement for OEM parts, making installation straightforward for most mechanics or experienced riders.

- Typically requires minimal tools and can be done without special equipment.

5. **Cost-Effective Upgrade**

- Significantly cheaper than replacing a damaged swingarm or suspension components.

- A one-time investment that pays off in long-term savings on repairs.

6. **OEM Quality (When Authentic)**

- If purchasing genuine Honda parts, they meet the same high standards as original equipment, ensuring compatibility and reliability.

- Avoids potential issues with aftermarket parts that may not fit perfectly or wear out quickly.

7. **Aesthetic Consistency**

- Maintains the bike s factory appearance, which is important for riders who prioritize originality.

- Blends seamlessly with other Honda Gold Wing components.

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### **Cons**

1. **Limited Availability of Aftermarket Alternatives**

- Few third-party manufacturers produce lower arm guards for the B70, which may limit customization options.

- If the part is discontinued, sourcing replacements could become difficult.

2. **Potential for Misalignment**

- Improper installation can lead to misalignment of the swingarm, affecting handling and suspension performance.

- Requires careful attention to torque specifications and alignment during installation.

3. **Weight Consideration**

- While minimal, adding a lower arm guard increases the overall weight of the swingarm slightly, which may have a negligible impact on fuel efficiency or maneuverability.

4. **Cost of Genuine Parts**

- Authentic Honda parts can be expensive, especially if purchased directly from the manufacturer or authorized dealers.

- Pricing may vary depending on region and availability.

5. **Not a Performance Upgrade**

- Unlike suspension upgrades or tire changes, lower arm guards do not improve performance metrics such as cornering speed or braking efficiency.

- Their primary benefit is protective rather than performance-oriented.

6. **Potential for Overkill on Well-Maintained Bikes**

- If the bike is in excellent condition and ridden primarily on smooth roads, the added protection may not be necessary.

- Some riders may see it as an unnecessary expense unless they frequently encounter rough terrain.

7. **Installation Skill Required**

- While straightforward, improper installation can void warranties or cause damage if the rider lacks mechanical experience.

- May require professional installation to ensure proper fitment and function.

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### **Conclusion**

The **Honda 51315-HN2-000 (B70) and 51316-HN2-000 lower arm guards** are a **practical and cost-effective investment** for Honda Gold Wing owners who prioritize durability, protection, and long-term reliability. Their primary advantage lies in **preventing damage from road debris and extending the life of suspension components**, which outweighs the minor drawbacks such as cost and limited aftermarket options.

For riders who frequently travel on rough roads, carry heavy loads, or simply want to maintain their bike s integrity, these guards are **highly recommended**. However, if the bike is well-maintained and primarily used on smooth highways, the benefit may not justify the expense.

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### **Recommendation**

- **Buy the genuine Honda part** if budget allows, as it ensures quality and compatibility.

- **Install professionally** if unsure about mechanical skills to avoid misalignment or damage.

- **Consider aftermarket alternatives** only if genuine parts are unavailable or prohibitively expensive, but verify reviews for fitment and durability.

- **Prioritize this upgrade** if you ride in areas with poor road conditions or frequently encounter debris.

**Final Verdict:** **Worth the investment** for most Gold Wing owners, especially those seeking to maximize the bike s longevity and protect critical components.

Details:

Made of high-quality plastic, this guard protects the lower arm your vehicle from rocks, debris, and other hazards, ensuring longevity maintaining overall health ATV or Side-by-Side. The precise placement on the vehicle allows for optimal protection and easy installation, making it a convenient essential addition to your Honda's body frame. Please review all photos before purchasing to ensure condition and fitment as the items will fit multiple Rubicon, Rancher, Rincon model's. The Honda 51315-HN2-000 B70 and 51316-HN2-000 B70 Lower Arm Guard is a durable reliable accessory designed to fit many model's.

part #: 51315hn2000 prices

• $11.99-$20.00

specifications atvfendersgo:

• for models: B70
• for makes: Honda
• mpn: 51315-hn2-000
• type: Lower Arm Guard
• material: Plastic
• placement on vehicle: Lower

shipping atvfendersgo:

• cost: $7.45
• service: USPS Ground Advantage
• carrier: USPS
• type: Calculated
• class: Standard
• transit: 5-10 Days

seller atvfendersgo:

• # reviews: 447
• city: Rhinelander, Wisconsin
• rating: 97.5%

payments atvfendersgo:

• wallet: Paypal
• credit card: Visa
• other

general atvfendersgo:

• condition: Used
• Body Frame > Body Parts, doors Fenders > Fenders

returns atvfendersgo:

• policy: No Returns

offer atvfendersgo:

• options: Ship-to-home
• sold: 0
• started: May 22, 2026
• quantity: 1
• availability: In Stock
• best offers: True

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