CUSTOM COMPONENTS 0489 Pro Tire Seat Frame Transmission

( Brand: Custom Components ), ( Manufacturer Part Number: 0489 ), ( Frame Type: Pro Stock ), ( Type: Frame ), ( Backbone Stretch: 5 In ), ( Machine Type: Street Motorcycle ), ( Rake Angle: 39 Degrees ), ( Material: Steel ), ( Country Of Origin: United States )

Review CUSTOM COMPONENTS Mc Pro stock Tire Drop Seat Motorcycle Frame And Transmission Case fits STD 250

The **0489 Pro-Stock 250 Tire Seat Frame with Standard Transmission** is a meticulously engineered, high-performance chassis designed specifically for the demands of professional-level Pro-Stock racing, particularly tailored for the iconic 250cc dirt track scene. Built to exacting standards, this frame combines cutting-edge aerodynamics with uncompromising structural integrity, ensuring both speed and reliability under the most extreme racing conditions. The seat frame itself is crafted from premium-grade, high-tensile steel, featuring a precision-welded, tubular construction that minimizes weight while maximizing rigidity critical factors for maintaining stability at high speeds and during aggressive cornering. The design incorporates a low-slung, aggressive stance that lowers the center of gravity, enhancing traction and handling responsiveness, which is essential for navigating tight, technical tracks where split-second decisions dictate victory.

At the heart of this frame is a **standard transmission setup**, optimized for seamless power delivery and durability, ensuring that the engine s raw performance translates efficiently into wheel spin without sacrificing reliability. The drivetrain integration is seamless, with precise mounting points for the clutch and transmission, allowing for easy installation and maintenance key considerations for teams that demand quick turnarounds between races. The frame s geometry has been meticulously tuned to accommodate the unique dynamics of 250cc Pro-Stock bikes, balancing understeer and oversteer to provide a neutral, predictable handling characteristic that even the most aggressive riders can trust.

For aerodynamics, the frame features a **tire seat design** that not only secures the rear tire with unmatched precision but also contributes to downforce, reducing lift at high speeds and improving stability. The mounting points are strategically placed to allow for the installation of high-performance rear suspension systems, ensuring that the frame can absorb the harsh impacts of dirt track racing while maintaining structural integrity. Additionally, the frame s design incorporates **adjustable head angle and rake**, allowing racers to fine-tune the bike s handling to their specific weight, riding style, and track conditions whether they prefer a more aggressive, nimble setup or a stable, high-speed platform.

Built for durability, the 0489 Pro-Stock frame undergoes rigorous stress testing to ensure it can withstand the brutal forces of high-speed crashes, hard cornering, and repeated impacts without deforming or failing. The welds are reinforced with high-quality filler material, and critical stress points are reinforced with additional tubing or gussets, ensuring longevity even in the most demanding racing environments. The frame s design also prioritizes **ease of customization**, with multiple mounting options for fairings, exhaust systems, and other performance upgrades, allowing teams to tailor the bike to their exact specifications.

Whether used in high-octane Pro-Stock races or as a track-day weapon, the **0489 Pro-Stock 250 Tire Seat Frame with Standard Transmission** delivers a perfect blend of speed, precision, and reliability. It is the ideal foundation for riders and teams looking to push the limits of performance while maintaining the trustworthiness needed to compete at the highest levels of dirt track racing. With its relentless focus on engineering excellence and racing pedigree, this frame is not just a chassis it s a platform for dominance.

### **Pros and Cons of Buying a 2004 Kawasaki Ninja 250 (Pro-Stock 250 Tire, Seat, Frame, STD Transmission)**

#### **Pros**

1. **Affordability** The Ninja 250 is one of the most budget-friendly sportbikes, making it an excellent entry point for new riders or those on a tight budget. Parts, maintenance, and insurance are significantly cheaper than larger bikes.

2. **Lightweight and Maneuverable** The bike s small size (around 200 lbs dry weight) makes it highly agile, ideal for city riding, parking in tight spaces, and quick acceleration. It s also easier to handle in traffic and at low speeds.

3. **Simple and Reliable Engine** The 249cc parallel-twin engine is proven to be durable and low-maintenance. With proper care, it can easily last 50,000 miles. The standard transmission (5-speed) is straightforward and requires minimal tuning.

4. **Easy to Modify and Customize** The Ninja 250 platform is popular among DIY riders. Upgrading components like the suspension, brakes, exhaust, or electronics is relatively affordable and widely supported by aftermarket parts.

5. **Fuel Efficiency** The bike averages around 100 120 mpg (varies by riding style), making it cost-effective for daily commuting or short trips.

6. **Beginner-Friendly** The low power (around 25 30 hp) and lightweight nature make it suitable for new riders learning balance, throttle control, and braking. It s also less intimidating than larger sportbikes.

7. **Pro-Stock 250 Tire Upgrade** The Pro-Stock 250 tire (likely a high-performance sport tire) will improve grip, cornering, and overall handling compared to stock tires. This is a worthwhile upgrade for better performance without a major investment.

8. **Seat and Frame Condition** If the seat and frame are in good condition, they won t require immediate replacement. The frame is sturdy, and a comfortable seat can enhance riding posture and comfort.

9. **Community and Support** The Ninja 250 has a large owner community, with plenty of forums, tutorials, and parts available. This makes troubleshooting and modifications easier.

10. **Portability** Its small size makes it easy to transport, whether by car rack, motorcycle trailer, or even in some cases, as a passenger on another bike.

---

#### **Cons**

1. **Limited Power for Serious Sport Riding** At around 25 30 hp, the bike is underpowered for aggressive sport riding, track use, or carrying a passenger. It lacks the speed and torque for high-performance riding compared to larger bikes.

2. **Poor High-Speed Stability** The lightweight frame and small wheels make the bike prone to wobble at high speeds (above 80 90 mph). This can be unsettling for some riders, especially on highways.

3. **Basic Braking System** The stock braking system (single disc at the front, drum at the rear) is adequate for light use but lacks the stopping power of modern dual-disc setups. Upgrading brakes is recommended for safety.

4. **Comfort Limitations** The upright riding position and small seat can lead to back and neck strain during long rides. The bike is not ideal for touring or long-distance comfort.

5. **Resale Value** While cheap to buy, the Ninja 250 holds little resale value compared to larger or more modern bikes. It depreciates quickly, so it may not be a good long-term investment.

6. **Stock Suspension is Basic** The suspension is stiff and not well-tuned for comfort or performance. Upgrading to aftermarket forks and shocks is often necessary for a smoother ride.

7. **Exhaust Restrictions** The stock exhaust is restrictive and loud. While upgrading to a sportier or quieter exhaust is possible, it may require modifications to meet local noise regulations.

8. **Limited Storage Space** The bike has minimal storage options, making it impractical for carrying gear, a helmet, or a jacket on longer rides.

9. **Age and Reliability Concerns** Being from 2004, the bike may have worn-out components like the clutch, chain, or bearings if not well-maintained. A thorough inspection is essential before purchase.

10. **Not Ideal for Heavy Riders** The bike s lightweight design means it s not suitable for riders over 200 lbs, as it can feel unstable and may strain the suspension and frame.

---

### **Ending Conclusion**

The 2004 Kawasaki Ninja 250 is an excellent choice for **budget-conscious riders, beginners, or those seeking a lightweight, fun bike for city commuting and casual riding**. Its affordability, simplicity, and ease of modification make it a practical option. However, it is **not ideal for serious sport riding, high-speed stability, or carrying passengers**, and its limitations in comfort and power should be considered.

The **Pro-Stock 250 tire upgrade** is a smart move for better handling, while ensuring the **seat and frame are in good condition** will avoid unnecessary expenses. If you prioritize **fun, affordability, and ease of use**, this bike is a solid purchase. If you need **more power, stability, or comfort**, consider a larger or more modern bike.

---

### **Recommendation**

- You are a beginner or an experienced rider looking for a lightweight, fun, and affordable bike.

- You primarily ride in the city or on short trips where power and stability are not major concerns.

- You plan to invest in upgrades (tires, suspension, brakes, exhaust) to improve performance and comfort.

- You want a bike that is easy to maintain and modify.

- You need a bike for high-speed highway riding or aggressive sport riding.

- You plan to carry passengers or heavy loads frequently.

- You are a heavier rider (over 200 lbs) or seek a more comfortable, upright position.

- You want a bike with better resale value or long-term reliability.

- If you want more power, consider a **Yamaha R3, Honda CBR500R, or Kawasaki Ninja 400**.

- If you prefer a more modern and reliable bike, look at **2010s or newer Ninja 250 models** with updated electronics and suspension.

- If you want a beginner-friendly bike with slightly more power, the **Honda CB300R** or **Suzuki GSX-R 250** are worth exploring.

Details:

MC Custom Components. Includes MSO mailed to buyer once frame is received. Wide rear swing arm for 250 tire applications made from DOM 1020 square steel. Integrated fender struts.

Pro-stock drop seat frame. Includes: Frame / Swing arm Oil tank STD Transmission Case Aluminum Side Covers Chin Spoiler. Custom hidden oil tank. Pro-Stock 250 Tire Frame.

Custom aluminum chin spoiler. Custom aluminum side covers. 39 degree neck rake, 5 stretch. Designed for use with mid controls.

Will accept 230/240/250 tire.

part #: 0489 prices

• $55.15-$2995.00

specifications mocycfra:

• for models: Std, 250
• brand: Custom Components
• mpn: 0489
• frame type: Pro Stock
• type: Frame
• backbone stretch: 5 In
• machine type: Street Motorcycle
• rake angle: 39 Degrees
• material: Steel
• country of origin: United States

offer mocycfra:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: February 13, 2026
• quantity: 1

payments mocycfra:

• credit card: Mastercard
• wallet: Paypal
• other

seller mocycfra:

• rating: 99.7%
• city: Tarzana, California
• # reviews: 30888

general mocycfra:

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

returns mocycfra:

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

shipping mocycfra:

• transit: 6-12 Days
• type: Fixed
• service: FedEx Ground Economy
• class: Economy
• cost: $650.00
• carrier: FedEx

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