HARLEY DAVIDSON 1HD1YYK11NB043368 Fxbbs Frame Chassis S.t

( Brand: Harley Davidson ), ( Manufacturer Part Number: 1HD1YYK11NB043368 ), ( Part Type: Frame )

Review HARLEY DAVIDSON Fxbbs Main Frame Chassis Or.t fits STREET BOB 2018–2024

The **Harley-Davidson 2018-2024 Street Bob FXBBS (S.T.)** with frame/chassis code **1HD1YYK11NB043368** is a meticulously crafted, high-performance cruiser that embodies the timeless spirit of Harley-Davidson s legendary Street Bob lineage while incorporating modern engineering and refined aesthetics. This model represents the pinnacle of Harley s **FXBBS (S.T.)** platform, which stands for **"Street Touring"** a designation that highlights its balanced blend of classic cruiser charm and the practicality of a slightly more upright riding position, making it ideal for both long-distance touring and spirited urban commuting. The **FXBBS** chassis is a masterful fusion of Harley s iconic **Evo frame** architecture, featuring a **dual-cradle design** with a **steel backbone and aluminum subframe**, ensuring unmatched rigidity, durability, and a smooth, planted ride. The **1HD1YYK11NB043368** chassis code identifies this as a **2018-2024 model year**, covering the **second-generation FXBBS**, which introduced subtle refinements to ergonomics, suspension tuning, and electronics while preserving the raw, aggressive stance of the original Street Bob.

At its heart, the **FXBBS S.T.** is powered by Harley s **Evolution Engine**, specifically the **1250cc Twin Cam 105 V-Twin**, a legendary powerplant that has defined Harley s performance for decades. This engine delivers a **torque-rich, deep-throated growl** with **115 horsepower and 105 lb-ft of twisty, mid-range torque**, making it equally capable of effortlessly cruising on the highway or accelerating with authority in lower gears. The **Evolution Engine** is paired with Harley s **Milwaukee-Eight** transmission a **five-speed manual** with a **quick-shifter option** (available as an accessory) that enhances smoothness and reduces clutch wear, while the **slipper clutch** ensures seamless upshifts under load. The **crankshaft and connecting rods** are forged from high-strength steel, and the **cylinder heads** feature **individual throttle bodies** for precise fuel delivery, contributing to the engine s legendary reliability and longevity. The **Evolution Engine** is also equipped with **Harley s proprietary fuel injection system**, which optimizes performance while maintaining the classic V-Twin sound though some purists may appreciate the optional **Harley-Davidson Sound Pack**, which allows for customizable exhaust tones.

The **FXBBS S.T.** chassis is built on Harley s **Evo frame**, a design that has been a cornerstone of Harley s performance since the 1980s. This **steel backbone frame** is reinforced with **aluminum subframes** and **cast magnesium engine mounts**, creating a structure that is both **lightweight and exceptionally rigid**. The result is a **precise, responsive ride** with minimal flex, allowing the rider to feel every nuance of the road while maintaining stability at high speeds. The **FXBBS** suspension is tuned for a **balanced, engaging ride**, featuring **dual rear shocks with adjustable preload** (on later models) and **front forks with 41mm tubes**, providing a **comfortable yet sporty** feel. The **wheelbase** is slightly shorter than that of a traditional touring bike, giving the **FXBBS S.T.** a **more aggressive, low-slung stance** that enhances handling and ground clearance, while the **upright riding position** (compared to a full touring bike) reduces fatigue on long rides. The **tires** typically **Michelin Power Sport 2 or Pirelli Angel GT** are chosen for their **durability and grip**, ensuring confidence in all conditions.

The **FXBBS S.T.** is designed with **aesthetic precision**, blending Harley s signature **retro-modern styling** with modern functionality. The **bodywork** features **sharp, angular lines** inspired by the original **1960s Street Bob**, including **exposed engine components**, a **sleek, tapered fuel tank**, and **contoured fenders** that enhance both form and function. The **instrument cluster** is a **digital-analog hybrid**, displaying essential ride data such as speed, RPM, fuel range, and gear position while retaining the **classic Harley gauge layout** for easy readability. The **Harley-Davidson **Ride Control System** allows riders to switch between **three riding modes**: **Touring (comfort-focused), Sport (aggressive handling), and Custom (balanced)**, adjusting suspension firmness, throttle response, and traction control settings to suit the rider s preference. Later models (2020 ) also introduced **Harley s **Wireless Connect** system**, enabling seamless smartphone integration for navigation, ride logging, and diagnostics via the **Harley-Davidson **MyRide app**.

Ergonomics play a crucial role in the **FXBBS S.T.** s appeal, as Harley has refined the riding position to offer a **comfortable yet engaged posture**. The **seat** is **contoured and slightly raised**, promoting a relaxed yet upright stance, while the **handlebars** are **slightly swept back** for better control without sacrificing comfort. The **footpegs** are **adjustable** (on some models) to accommodate riders of varying heights, and the **pegs themselves** are **reinforced for durability**. The **wind protection** is more substantial than that of a traditional cruiser, with **extended fairings and a slightly taller windscreen** (available in various sizes) to reduce wind fatigue on long rides. The **FXBBS S.T.** also features **Harley s **Ergonomic Riding Position (ERP) system**, which includes **adjustable seat height, handlebar reach, and footpeg position** to ensure a personalized fit.

Under the hood, the **FXBBS S.T.** is equipped with **Harley s **Milwaukee-Eight** transmission**, which, while manual, offers **smooth shifting** thanks to its **slipper clutch** and **quick-shifter option**. The **braking system** is a **Harley-Davidson **Dual Disc** setup**, featuring **front and rear disc brakes** with **floating rotors** for consistent stopping power and fade resistance. The **front brake calipers** are **radially mounted** for improved heat dissipation, while the **rear brake** is **single-piston** but still effective for the bike s weight. The **tires** typically **Michelin Power Sport 2 or Pirelli Angel GT** are chosen for their **durability and grip**, ensuring confidence in all conditions. The **wheels** are **cast aluminum** with **staggered spokes** for a **lightweight yet sturdy** construction, and the **front wheel** is **slightly offset** to enhance handling dynamics.

The **FXBBS S.T.** is available in a **variety of color options**, including **Classic Black, Racing Red, Matte Black, and Gunmetal Gray**, allowing riders to customize their bike to match their personal style. The **exhaust system** is a **dual-into-single** setup with **stainless steel construction**, delivering a **deep, resonant growl** that is both aggressive and melodic. The **engine covers** are **exposed**, showcasing the **Evolution Engine s** intricate details, while the **fuel tank** is **contoured and aerodynamic**, reducing wind noise while maintaining a classic cruiser silhouette. The **FXBBS S.T.** also includes **Harley s **Ride Control System**, which allows riders to adjust the bike s behavior to suit their riding style, whether they prefer a **softer, more relaxed ride** or a **firm, sportier handling feel**.

In summary, the **Harley-Davidson 2018-2024 FXBBS S.T. (1HD1YYK11NB043368)** is a **masterfully engineered cruiser** that seamlessly merges **retro styling with modern performance**. It offers **torque-rich power, precise handling, and a comfortable riding position**, making it ideal for both **daily commuting and weekend adventures**. Whether cruising down a scenic highway, navigating city streets, or taking on a long-distance tour, this bike delivers **Harley s signature blend of raw power, timeless design, and unmatched ride quality**. With its **Evolution Engine, Evo frame, and refined ergonomics**, the **FXBBS S.T.** stands as a **modern classic** a bike that honors Harley s legacy while pushing the boundaries of what a cruiser can be.

### **Pros and Cons of Buying a 2018-2024 Harley-Davidson Street Bob FXBBS (1HD1YYK11NB043368)**

#### **Overview**

The **2018-2024 Harley-Davidson Street Bob FXBBS** is a custom-style cruiser with a **V-Twin engine, rigid frame, and a sportier stance** compared to traditional Harley touring bikes. It blends **retro aesthetics with modern performance**, making it appealing to riders who want a **more agile, lightweight cruiser** without sacrificing Harley s signature sound and culture.

---

### **Pros**

1. **Lightweight and Agile Handling**

- The **FXBBS (Flexible Frame, Base Engine)** configuration removes the heavy touring components (windshield, saddlebags, etc.), making it **lighter and more nimble** than a full touring bike.

- The **rigid frame** (unlike the Dyna Glide s trailing-link) provides a **stiffer, more direct ride**, improving cornering and maneuverability.

- **Lower seat height ( 25.6 inches)** makes it more accessible for shorter riders compared to some Harley touring models.

2. **Powerful and Responsive Engine**

- The **Evo V-Twin (1250cc)** delivers **smooth, torque-rich power** (110-115 hp, depending on year) with a **deep, growling exhaust note** classic Harley sound.

- **Better throttle response** than older Twin Cam engines, with **sequential multi-valve (SMV) heads** (2017 ) improving efficiency and power delivery.

- **Easy to work on** Harley s V-Twin is one of the most **reliable and modifiable engines** in the industry.

3. **Custom-Style Aesthetics**

- **Retro-inspired design** with **chrome accents, round headlight, and a sportier stance** appeals to riders who want a **modern twist on classic cruisers**.

- **Available in multiple colors** (including matte finishes), allowing for a **personalized look**.

- **Aftermarket support is strong** easy to modify with **suspension upgrades, exhausts, and handlebar kits** for a more aggressive or relaxed feel.

4. **Comfortable for Short to Medium Rides**

- **Ergonomics are well-balanced** not as aggressive as a sportbike but more upright than a full touring bike.

- **Adjustable windscreen** (if equipped) helps with wind noise on highway rides.

- **Comfortable seat** (though not as plush as a touring bike) is better than many budget cruisers.

5. **Good Fuel Economy for a Harley**

- ** 40-50 MPG** (real-world) is **better than most Harley touring bikes** (which average 35 MPG).

- **Efficient enough for daily commuting** if kept to moderate speeds.

6. **Strong Resale Value**

- Harley-Davidson retains **good resale value**, especially for well-maintained models.

- The **FXBBS platform** is **less common than touring bikes**, so demand remains steady among custom cruiser enthusiasts.

7. **Reliability and Durability**

- The **Evo engine is one of Harley s most reliable** fewer issues than older Twin Cam or Evolution engines.

- **Simple mechanical design** means **lower maintenance costs** compared to modern sportbikes.

- **Proven longevity** many Harley V-Twins last **200,000 miles** with proper care.

8. **Community and Culture**

- **Strong Harley-Davidson following** easy to find **parts, accessories, and riding groups**.

- **Great for club rides and group outings** fits well with the Harley lifestyle.

---

### **Cons**

1. **Rigid Frame Harsh Ride on Rough Roads**

- **No suspension linkage** (unlike Dyna Glide) means **less comfort on bad roads** every bump is felt directly.

- **Stiff ride quality** can lead to **fatigue on long rides** compared to softer-suspended cruisers.

2. **Limited Long-Distance Comfort**

- **No wind protection** (unless aftermarket screen is added).

- **Narrow seat** may not be comfortable for riders over **6 2 or with long legs**.

- **No full fairing or touring features** not ideal for **multi-day rides** without modifications.

3. **Engine Redline is Low (for a Harley)**

- The **Evo engine revs to 6,000 RPM**, which is **lower than many modern bikes** can feel **less engaging** for sporty riders.

- **Not as quick as modern sportbikes** 0-60 mph in ** 4.5 seconds** (slower than many cruisers).

4. **Aftermarket Parts Can Be Expensive**

- While Harley has **strong aftermarket support**, **high-quality modifications (exhaust, suspension, etc.) can add up**.

- **Not as many performance parts** as on Japanese bikes most upgrades are **aesthetic or comfort-focused**.

5. **Fuel Injection Reliability Issues (Early Models)**

- **2018-2019 models** had **some fuel injection glitches** (rough idling, stalling), but Harley **fixed most issues by 2020**.

- **Check service records** if buying used **fuel pump and injectors** may need replacement.

6. **Limited Storage Space**

- **No saddlebags or top case** (unless aftermarket) **minimal storage** compared to touring bikes.

- **Small underseat storage** is only useful for small items.

7. **Higher Running Costs Than Japanese Cruisers**

- **Oil changes, tires, and maintenance** cost more than **Yamaha, Honda, or Suzuki cruisers**.

- **Tires wear faster** due to **stiffer ride and heavier weight** ( 650-700 lbs).

8. **Not as Sporty as Other Harley Models**

- **Slower acceleration** than the **Sportster or Dyna Super Glide**.

- **Less aggressive handling** than a **Panhead or Knucklehead** replica.

---

### **Conclusion & Recommendation**

**Riders who want a lightweight, custom-style Harley** with **better handling than a touring bike**.

**Those who prioritize **sound, culture, and mod potential** over pure speed or comfort**.

**City/commuter riders** who want a **fun, easy-to-ride bike** without long-distance fatigue.

**Enthusiasts who enjoy tinkering** the **Evo engine is easy to work on**.

**Buyers who want a bike with good resale value** in the Harley market.

**Long-distance touring riders** **comfort is limited** without major modifications.

**Riders over 6 2 or with long legs** **seat and ergonomics may feel cramped**.

**Those who want a fast, sporty bike** **acceleration and top speed are average for Harleys**.

**Budget-conscious buyers** **running costs are higher than Japanese cruisers**.

**Riders who dislike rigid frames** **rough roads will be uncomfortable**.

---

### **Final Recommendation**

- You **love Harley s sound and culture** but want something **more agile than a touring bike**.

- You **plan to mostly ride in the city or on short to medium trips** (under 300 miles).

- You **enjoy customizing bikes** and want a **platform with strong aftermarket support**.

- You **don t mind a stiff ride** and are okay with **adding a windscreen or suspension upgrades** for comfort.

- You **need a more comfortable long-distance bike** **Harley Tour Glide or Dyna Low Rider**.

- You **want a faster, more sporty cruiser** **Harley Sportster or Dyna Super Glide**.

- You **prefer a softer ride** **Yamaha V Star or Honda Rebel**.

- You **have a tight budget** **Used 2016 Sportster or V Star** offers similar styling at a lower cost.

- **2020-2024** (fewer early fuel injection issues, latest refinements).

- **2019** (good, but check for **fuel pump/injector updates**).

- **Avoid 2018** unless you **inspect the fuel system thoroughly**.

The **Street Bob FXBBS is a fantastic choice for riders who want a **Harley with a modern twist** **lightweight, fun, and customizable** but it s **not a touring machine**. If you **prioritize sound, culture, and agility over long-distance comfort**, this bike delivers **great value and enjoyment**. Just **expect to modify it** (windscreen, suspension,

Details:

Buyer pays return shipping. 2018 2024 Harley Davidson Street Bob FXBBS Main Frame Chassis OR.T. .T.: Donor Bike: 2022 20308 miles. All part are used and should be inspected before install.

part #: 1hd1yyk11nb043368 prices

• $510.30-$1799.59

specifications mocycfra:

• for models: Street, Bob
• for makes: Harley
• for years: 2018-2024
• brand: Harley Davidson
• mpn: 1hd1yyk11nb043368
• part type: Frame

seller mocycfra:

• city: Camas, Washington
• rating: 99.6%
• # reviews: 5407

offer mocycfra:

• started: April 17, 2026
• options: Ship-to-home
• sold: 0
• best offers: True
• availability: In Stock
• quantity: 1

returns mocycfra:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

shipping mocycfra:

• type: Fixed
• transit: 4-7 Days
• cost: $0.00
• carrier: UPS
• class: Standard
• service: UPS Ground

payments mocycfra:

• other
• wallet: Paypal
• credit card: Visa

general mocycfra:

• condition: Used
• Motorcycle Scooter Parts Accessories > Body Frame > Frames Parts

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