HARLEY-DAVIDSON 43672-78 Front Wheel Disc Brake

( Brand: Harley-davidson ), ( Manufacturer Part Number: 43672-78 ), ( Machine Type: Street Motorcycle ), ( Wheel Style: 9 Spoke ), ( Compatible Fastener Seat Type: Axle ), ( Placement On Vehicle: Front Wheel ), ( Wheel Construction: Spoked Wheel ), ( Wheel Material: Aluminum ), ( Type: Wheel ), ( Manufacturer Warranty: 1 Year ), ( Wheel Width: 2.5 )

Review HARLEY DAVIDSON Front Wheel Inch Disc Brake Oem fits IRONHEAD SPORTSTER 1973–2019

The **Harley-Davidson 43672-78 Ironhead Sportster Front Wheel (1973 1983, 19" Disc Brake)** is a meticulously crafted, high-performance replacement component designed to restore or enhance the braking capability and aesthetic appeal of your classic Sportster. This wheel is engineered to fit the **1973 through 1983 Harley-Davidson Sportster models** equipped with the **19-inch front disc brake system**, a hallmark of the era s advanced braking technology. Crafted from **heavy-duty steel**, this wheel features a **bold, aggressive five-spoke design** that not only complements the rugged, vintage styling of the Ironhead but also ensures durability under the demands of modern riding conditions. The **cast aluminum center section** is precision-machined to accommodate the **19-inch disc brake rotor**, providing a clean, functional interface that minimizes drag and maximizes stopping power. The **double-wall construction** reinforces structural integrity, reducing flex and enhancing ride stability, while the **chrome-plated finish** delivers a show-stopping, high-gloss appearance that turns heads on the road. Whether you're restoring a classic Sportster to its original glory or upgrading an existing bike for improved handling, this wheel offers a perfect blend of **performance, authenticity, and timeless design**. Built to meet OEM specifications, it ensures a seamless fit with the **Ironhead s front fork and suspension system**, allowing for optimal wheel alignment and braking efficiency. Ideal for enthusiasts who demand both **functionality and flair**, this wheel is a testament to Harley-Davidson s enduring legacy of craftsmanship and innovation.

### Pros and Cons of Buying a Harley-Davidson Ironhead Sportster (1973 1983) with a 19" Front Wheel and Front Disc Brake

#### **Pros**

1. **Classic Ironhead Design** The Ironhead Sportster (1973 1983) is one of Harley-Davidson s most iconic models, known for its timeless, aggressive styling. The 19" front wheel and front disc brake (introduced in 1978) make it a rare and desirable variant, blending vintage charm with modern braking improvements.

2. **Strong Engine and Reliability** The Ironhead s 1200cc V-twin engine (Evo engine in later years) is a well-proven powerplant. With proper maintenance, these bikes can last well over 100,000 miles, especially if they have been well cared for. The 1973 1983 models feature the original "Ironhead" valve covers, which are highly sought after by collectors.

3. **Front Disc Brake Advantage** The addition of a front disc brake (starting in 1978) significantly improves stopping power compared to the earlier drum-brake models. This makes the bike safer and more modern for its era, though rear braking remains less effective by today s standards.

4. **Modding Potential** The Ironhead platform is highly modifiable. Owners can upgrade the engine (e.g., with a 1200cc or 1340cc kit), suspension, exhaust, and electrical systems. The 19" front wheel allows for wider tires, improving stability and comfort.

5. **Community and Parts Availability** The Ironhead is a popular bike among Harley enthusiasts, meaning parts (especially for the 19" wheel and disc brake models) are relatively accessible. Aftermarket support is strong, with aftermarket manufacturers producing everything from custom paint to performance upgrades.

6. **Investment Potential** Well-preserved Ironheads, especially those with rare features like the 19" front wheel and disc brakes, can appreciate in value over time. Collectors and restorers often seek out these models, making them a good long-term investment if maintained properly.

7. **Riding Experience** The Ironhead s ergonomics and handling are well-balanced for its era. The 19" front wheel reduces the bike s overall height, making it slightly more accessible for shorter riders. The disc brake adds confidence, especially in wet conditions.

8. **Nostalgia and Heritage** Owning an Ironhead connects you to Harley-Davidson s golden era. The bike s raw, unpolished character appeals to riders who appreciate mechanical simplicity and the "built to last" philosophy of the 1970s 80s.

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#### **Cons**

1. **Age and Wear** These bikes are over 40 years old, meaning they will require significant maintenance. Rust, worn-out suspension, and aging electrical systems are common issues. A thorough inspection is essential before purchase.

- **Carburetion issues** (especially with the original Amal or Mikuni carbs).

- **Worn-out clutch and transmission** (especially in higher-mileage examples).

- **Leaking head gaskets** (a known issue in some models).

- **Rust in the frame and swingarm** (common in bikes exposed to moisture).

3. **Braking Limitations** While the front disc brake is an improvement over drums, the rear drum brake remains weak. Modern riders may find stopping power inadequate, especially in emergencies. Upgrading to a rear disc brake (aftermarket) is a common modification.

4. **Fuel and Emissions** Older Ironheads run on leaded fuel (though some later models can handle unleaded), and they lack modern emissions controls. This can make them less practical for urban riding in areas with strict emissions laws.

5. **Comfort and Ergonomics** The Ironhead s riding position is aggressive and less ergonomic than modern bikes. The lack of suspension travel (especially in early models) can make long rides uncomfortable. The 19" front wheel, while stylish, may not offer the same tire clearance as larger wheels, limiting tire options.

6. **Cost of Maintenance** Parts for these bikes can be expensive, especially if they are no longer in production. Labor costs for classic Harley work can also be high, as specialized mechanics are needed for restoration and maintenance.

7. **Resale Value Depends on Condition** While rare Ironheads can appreciate, most will depreciate over time unless they are restored to showroom condition. A poorly maintained example may lose value quickly.

8. **Legal and Insurance Challenges** Some states have strict regulations on vintage motorcycles, including emissions and safety standards. Insurance for classic bikes can be costly, and some insurers may require additional documentation (e.g., restoration logs) to qualify for lower premiums.

9. **Limited Modern Upgrades** While the Ironhead platform is modifiable, some upgrades (e.g., modern fuel injection, electronic ignition) are not natively compatible without significant modifications. Aftermarket solutions exist but can be costly.

10. **Riding Experience Limitations** The bike s weight (around 500 550 lbs) and lack of modern suspension tuning can make it feel less nimble compared to contemporary bikes. The lack of ABS, traction control, and modern safety features means riders must rely on skill and experience.

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### **Conclusion**

Buying a Harley-Davidson Ironhead Sportster (1973 1983) with a 19" front wheel and front disc brake is a rewarding but challenging endeavor. This bike offers a unique blend of vintage charm, mechanical robustness, and collectible appeal, making it ideal for riders who appreciate classic motorcycles and are willing to invest time and effort into maintenance. However, the age of the bike means it will require careful attention to avoid costly repairs and downtime.

The front disc brake is a significant upgrade over earlier models, improving safety and rideability, but the rear drum brake remains a limitation. The 19" front wheel adds to the bike s character but may restrict tire choices. If you are looking for a project bike, a daily rider with occasional rides, or a collector s piece, the Ironhead can be an excellent choice provided you are prepared for the maintenance and potential challenges.

For a rider who prioritizes modern convenience, safety, and low maintenance, a newer Harley-Davidson or a well-restored modern classic (e.g., a 2000s Sportster) might be a better fit. However, if you value heritage, mechanical simplicity, and the thrill of riding a piece of motorcycle history, the Ironhead is a fantastic option.

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### **Recommendation**

1. **Inspect Thoroughly** Have a trusted mechanic or Ironhead specialist perform a pre-purchase inspection. Pay close attention to the frame for rust, the engine for wear, the electrical system, and the brakes.

2. **Budget for Restoration** Be prepared to invest in maintenance, parts, and potential upgrades. A well-maintained example may cost $8,000 $15,000, while a project bike could range from $5,000 $10,000. Factor in annual maintenance costs (e.g., valve adjustments, carburetor cleaning, suspension work).

3. **Prioritize Comfort and Safety** Consider upgrading the suspension (e.g., aftermarket shocks), tires, and brakes (e.g., rear disc brake conversion) to improve ride quality and safety.

4. **Join the Community** Engage with Ironhead forums (e.g., Harley-Davidson forums, Ironhead-specific groups) to learn from experienced owners and find parts or labor support.

5. **Ride Responsibly** The Ironhead is not a beginner s bike. Its weight, braking limitations, and lack of modern safety features require skill and caution. Practice in safe areas before hitting the road.

6. **Consider a Restored Example** If possible, look for a bike that has already undergone a restoration. While these are more expensive, they offer a hassle-free riding experience.

Ultimately, the Ironhead is a bike for enthusiasts who love the raw, unpolished spirit of Harley-Davidson s early days. If you are passionate about classic motorcycles and willing to put in the work, it can be an incredibly rewarding and enjoyable ride. For those seeking a more modern or low-maintenance experience, a newer Sportster or a different classic model may be a better choice.

Details:

19 front wheel.Original factory Harley wheel not aftermarket. Good used condition for age. Shows normal wear, patina, and some surface rust/pitting consistent with vintage parts. Great for rider, restoration, chopper, or Bobbie project.

Vintage Harley. Includes wheel hub with rotor mounting tabs as shown in photos. Rim appears straight and usable. See photos for condition.

Ships carefully packaged and insured. Narrow glide. OEM Harley-Davidson Ironhead Sportster front wheel with disc brake rotor mounts.Fits Harley model's approximately 1973 1983 please verify fitment for your specific bike.

part #: 4367278 price

• $179.99

specifications cywhemo:

• for models: Ironhead, Sportster
• for makes: Harley
• for years: 1973-2019
• brand: Harley-davidson
• mpn: 43672-78
• machine type: Street Motorcycle
• wheel style: 9 Spoke
• compatible fastener seat type: Axle
• placement on vehicle: Front Wheel
• wheel construction: Spoked Wheel
• wheel material: Aluminum
• type: Wheel
• manufacturer warranty: 1 Year
• wheel width: 2.5

seller cywhemo:

• rating: 100.0%
• city: Atlanta, Georgia
• # reviews: 43

offer cywhemo:

• sold: 0
• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock
• started: March 23, 2026

returns cywhemo:

• policy: No Returns

shipping cywhemo:

• service: FedEx Ground / FedEx Home Delivery
• cost: $259.38
• type: Calculated
• class: Standard
• carrier: FedEx
• transit: 4-10 Days

payments cywhemo:

• credit card: Discover
• other
• wallet: Apple-pay

general cywhemo:

• Motorcycle Scooter Parts Accessories > Wheels, Tires Parts > Wheels Rims
• condition: Used

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