fits model: Dyna, Street, Bob. make: Harley. year: 2011–2017.

( Brand: Harley Davidson ), ( Manufacturer Part Number: 1HD1GXM30EC324597 ), ( Part Type: Frame ), ( Country Of Origin: United States )
The **Harley-Davidson 2011-2017 FXDB "Dyna Street Bob"** (VIN: 1HD1GXM30EC324597) represents a refined yet unapologetically bold interpretation of classic American motorcycle design, blending the raw heritage of the Street Bob with modern Dyna platform engineering. This model is a testament to Harley-Davidson s ability to honor tradition while embracing contemporary performance and ergonomics. At its core, the FXDB features the iconic **Evolution Engine**, a 1,204cc air-cooled V-twin that delivers a deep, resonant growl and a smooth, torque-rich power delivery characteristic of Harley s legendary sound and feel. The engine is paired with a **6-speed manual transmission**, offering precise, engaging shifting that rewards the rider with a mix of low-end grunt and high-revving enthusiasm, all while maintaining the unmistakable Harley-Davidson throttle response.
The **chassis and frame** of the FXDB are a masterclass in balance, combining the **Dyna s advanced trellis frame** with the timeless aesthetics of the Street Bob. The frame is built with **high-strength steel**, ensuring durability and rigidity while allowing for a low, aggressive riding position that emphasizes control and confidence. The **monocoque-style design** not only enhances stability but also contributes to the bike s classic, muscular silhouette, with its **dual-spar frame** and **subframe-mounted engine** creating a rigid yet compliant platform that absorbs road imperfections without sacrificing handling precision. The **suspension** is a standout feature, with **adjustable rear shocks** (from 2012 onward) and a **front fork system** that provides a comfortable yet sporty ride, accommodating everything from cruising on the highway to carving through twisty backroads with ease.
The **FXDB s styling** is a deliberate homage to the original Street Bob, with its **low-slung, aggressive stance**, **exposed engine components**, and **minimalist fairings** that emphasize raw, unadulterated motorcycle aesthetics. The **single-disc front brake system** (with optional ABS in later models) and **rear drum brake** (or optional disc brake in some configurations) offer a classic braking feel, though the later models incorporate modern refinements for improved stopping power. The **seat and ergonomics** are tailored for both long-distance comfort and sporty maneuverability, with an **upright riding position** that allows for easy handling while still maintaining a commanding presence on the road. The **handlebars** are slightly swept back, providing a natural grip for both relaxed cruising and more aggressive riding styles.
Underneath the hood, the FXDB s **electrical system** is robust, featuring a **sealed-beam headlight** (or optional LED in later years) and a **reliable ignition system** that ensures consistent performance. The **fuel system** is straightforward, with a **single carburetor** (or fuel-injected models in the later years) that delivers a rich, throaty exhaust note through the **dual exhaust system**, which is both functional and stylistically iconic. The **exhaust headers** are exposed, adding to the bike s raw, mechanical appeal, while the **mufflers** are tuned to produce a deep, resonant growl that resonates with Harley purists.
The **FXDB s versatility** makes it a standout choice for riders who appreciate a blend of classic aesthetics and modern practicality. Whether cruising along a scenic coastal highway, navigating a winding mountain pass, or simply enjoying a leisurely ride through town, this motorcycle offers a **perfect marriage of heritage and innovation**. Its **low maintenance requirements** (thanks to the air-cooled engine and simple drivetrain) make it an attractive option for riders who value durability and ease of upkeep. Additionally, the **aftermarket support** for the FXDB is extensive, with a wide range of customization options available from engine upgrades and exhaust modifications to aesthetic enhancements like custom paint schemes, chrome accents, and performance parts that allow owners to tailor their Street Bob to their exact preferences.
For the rider who seeks a motorcycle that embodies the spirit of Harley-Davidson s golden era while benefiting from the reliability and refinement of the Dyna platform, the **2011-2017 FXDB Street Bob** is an exceptional choice. It is a bike that demands attention, evokes nostalgia, and delivers an unparalleled riding experience one that is as much about the journey as it is about the destination. Whether you re a seasoned Harley enthusiast or a newcomer to the brand, the FXDB offers a timeless blend of power, presence, and pure, unfiltered motorcycle joy.
### **Pros and Cons of Buying a Harley-Davidson 1HD1GXM30EC324597 (2011 2017 Dyna Street Bob FXDB)**
#### **Pros**
1. **Classic Harley-Davidson Design**
The Street Bob is one of Harley s most iconic models, featuring a low-slung, aggressive stance with a single-cylinder engine. Its retro styling appeals to enthusiasts who appreciate the brand s heritage while still enjoying modern comforts.
2. **Reliable Single-Cylinder Engine**
The 1200cc Evolution engine (1200cc SID) is known for its durability and straightforward mechanics. Unlike V-twin engines, it has fewer moving parts, reducing long-term maintenance concerns. With proper care, these engines can easily exceed 100,000 miles.
3. **Lower Cost of Ownership Compared to V-Twins**
The single-cylinder engine means fewer valves, less complex ignition systems, and simpler fuel injection, leading to lower repair and replacement costs. Parts are also generally more affordable than those for V-twin models.
4. **Great for Beginners and Experienced Riders**
The Street Bob is lightweight (around 550 600 lbs) and nimble, making it easier to handle than heavier touring bikes. Its lower seat height (27 inches) and upright riding position reduce fatigue on long rides, though it s not as comfortable for extreme touring.
5. **Strong Aftermarket Support**
Harley s single-cylinder models have a dedicated following, with numerous aftermarket parts (exhausts, handlebars, seats, and suspension upgrades) available. Customization options are plentiful, allowing riders to tailor the bike to their preferences.
6. **Good Fuel Efficiency**
Compared to V-twin Harleys, the Street Bob is more fuel-efficient, typically averaging around 40 50 mpg on the highway. This makes it a practical choice for daily riding and shorter trips.
7. **Resale Value**
While not as high as newer models, the Street Bob retains a decent resale value due to its popularity. Well-maintained examples from this era (2011 2017) can still fetch a reasonable price, especially if they have low mileage and clean service records.
8. **Sound and Riding Experience**
The single-cylinder engine produces a deep, rumbling growl that many riders find satisfying. The bike s balance and handling make it enjoyable for both city riding and open-road cruising, though it lacks the raw power of a V-twin.
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#### **Cons**
1. **Limited Power and Performance**
The 1200cc Evolution engine produces around **75 80 hp** (depending on year and modifications), which is significantly less than modern V-twin Harleys (e.g., 114/117 hp in the Sportster 1200 or 1250). Acceleration is smooth but not exhilarating, and passing on highways can be challenging compared to sportier bikes.
2. **Harsh Ride Quality**
The Street Bob s rigid frame and lack of suspension (or minimal suspension in some models) make it uncomfortable on rough roads. While the upright position reduces back strain, the ride can feel jarring over extended distances or on bad pavement.
3. **Single-Sided Swingarm Limitations**
The single-sided swingarm (common in early Dyna models) can be less stable at high speeds and is more prone to damage in crashes. Later models (2014 ) improved this with a more robust design, but earlier examples may still have structural weaknesses.
4. **Maintenance Requirements**
While simpler than V-twins, the single-cylinder engine still requires regular attention. Key maintenance items include:- **Valvetrain adjustments** (every 10,000 15,000 miles, though some riders skip this with proper lubrication).
- **Camshaft and lifter maintenance** (critical for longevity).
- **Exhaust system checks** (rust is a common issue, especially in older models).
- **Brake system upgrades** (stock brakes are adequate but not as strong as modern systems).
Neglecting these can lead to expensive repairs.
5. **Limited Storage and Practicality**
The Street Bob lacks a top case, saddlebags, or other storage solutions. While it s not designed for touring, riders who need to carry gear will need to invest in aftermarket racks or bags, which can be bulky and reduce maneuverability.
6. **Fuel Injection Reliability Issues**
Early models (pre-2014) had some fuel injection problems, including **flooding, misfires, and sensor failures**. Later models improved reliability, but some riders report persistent issues with the **ECU or throttle body**. A well-documented service history is crucial.
7. **Resale Depreciation**
Like most Harleys, these models depreciate quickly. A 2011 2017 Street Bob will lose value over time, and finding a buyer may require marketing effort, especially if the bike has high mileage or signs of wear.
8. **Wind Noise and Aerodynamics**
The upright riding position and lack of windshields (unless added) make the Street Bob susceptible to wind noise at highway speeds. This can be mitigating by adding a small windscreen, but it may alter the bike s look.
9. **Limited Modern Tech**
Compared to newer Harleys, this model lacks features like **Harley s connected tech (HOG), advanced traction control, or adaptive suspension**. While not a dealbreaker, tech-savvy riders may find it outdated.
10. **Potential Frame/Chassis Weaknesses**
The Dyna platform (used for Street Bobs) has a reputation for **frame fatigue** in high-mileage examples. While not as common as in older models, stress cracks can develop over time, especially near the swingarm mounts. A **frame inspection by a Harley specialist** is recommended before purchase.
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### **Conclusion**
The **2011 2017 Harley-Davidson Street Bob FXDB** is a fantastic choice for riders who prioritize **classic Harley styling, simplicity, and reliability** over raw power or modern comforts. It s ideal for:
- **Enthusiasts who love the single-cylinder sound and retro aesthetic.**
- **Riders who prefer a lightweight, easy-to-handle bike for city and cruising.**
- **Budget-conscious buyers who want a Harley with lower maintenance costs.**
- **Those who enjoy customization and tinkering with their bike.**
However, it s **not the best choice** for:- **Riders who need high performance or quick acceleration.**
- **Long-distance touring without aftermarket upgrades.**
- **Those who dislike harsh ride quality or wind noise.**
- **Buyers who want the latest Harley tech or advanced safety features.**
If you re drawn to the **timeless look, straightforward engineering, and community of single-cylinder Harley riders**, this bike is a rewarding purchase **as long as you re prepared for its quirks and maintenance needs**. A **thorough inspection, service records, and a test ride** are essential before buying.
### **Recommendation**
- **Buy if:** You want a **fun, reliable, and stylish** Harley for daily riding, have a budget for occasional maintenance, and don t mind its limitations.
- **Avoid if:** You need **power, comfort, or modern features**, or if you re unwilling to invest time in upkeep.
- **Best for:** **First-time Harley buyers, customizers, and riders who prioritize heritage over performance.**
**Final Tip:** Always **check the frame for cracks**, verify **service history**, and consider **adding a windscreen and suspension upgrades** if you plan to ride long distances. A well-maintained Street Bob can be a joy to own for years.
All part are used and should be inspected before install. 2011 2017 Harley Davidson Dyna Street Bob FXDB Main Frame Chassis CA.T. .T.: Donor Bike: 2014 21226 miles. Buyer pays return shipping.