1. ATV Transmission & Drivetrain Parts Deals
  2. sku: 8605117431014762
  3. RACE DRIVEN F-401850

RACE-DRIVEN F-401850 Ring Chain Sprocket 12/39

fits model: 300ex, Trx300ex, Sportrax. make: Honda. year: 2001–2004.

F-401850 Race-driven 2001-2004 Honda Sportrax 300ex Trx300ex Gold O-ring Chain And Black Sprocket 12/39

( Brand: Race-driven ), ( Part Type: Ring Chain Sprocket ), ( Manufacturer Part Number: F-401850 ), ( Material: Stainless Steel )

Review RACE DRIVEN Honda Gold O ring Chain And Black Sprocket 12/39 fits SPORTRAX 300EX TRX300EX 2001–2004

Introducing the Race-Driven F-401850 O-Ring Chain Sprocket, specifically designed for Honda Sportrax 300ex TRX300ex models produced between 2001 and 2004. This high-performance sprocket boasts several advantages over stock components, making it an excellent choice for riders seeking improved power delivery, durability, and overall performance.

Measuring 12 inches in length and 39 teeth in width, this sprocket is an essential power transmission component that connects the drive chain to the rear wheel. The application-specific design ensures a perfect fit, eliminating the need for modifications or adaptations.

Made from robust materials, the F-401850 O-Ring Chain Sprocket is engineered to withstand the rigors of off-road riding. Its hardened steel construction guarantees superior strength and longevity, while the O-ring design seals the chain from the elements, preventing dirt, water, and debris from entering the drivetrain and causing damage.

By optimizing tooth profile geometry and pitch, this sprocket enhances power transfer efficiency, enabling the engine to deliver more torque and horsepower to the wheels. As a result, your Sportrax 300ex TRX300ex will enjoy increased acceleration, better hill-climbing capability, and improved top speed.

Additionally, the F-401850 O-Ring Chain Sprocket features a precision-machined finish, ensuring flawless engagement with the drive chain and the rear wheel. This results in a quieter, smoother operation, enhancing the overall riding experience.

In summary, the Race-Driven F-401850 O-Ring Chain Sprocket is an essential upgrade for Honda Sportrax 300ex TRX300ex riders who demand superior performance, durability, and reliability from their off-road machine. With its application-specific design, robust construction, optimized tooth profile, and O-ring sealing system, this sprocket sets a new standard for power transmission components in the off-road industry.

Pros and Cons of Buying a Honda TRX300EX O-Ring Chain Sprocket (12/39) for a 2001-2004 Honda Sportrax F-401850

Introduction:

The Honda TRX300EX O-Ring Chain Sprocket (12/39) is a crucial component for maintaining the performance and longevity of your ATV. In this analysis, we will discuss the advantages and disadvantages of purchasing this specific sprocket for a 2001-2004 Honda Sportrax F-401850.

Pros:

1. Enhances durability: O-ring chain sprockets, as opposed to X-ring or sealed sprockets, are known for their superior sealing capabilities. This results in a longer chain life due to better sealing and reduced oil loss, ultimately increasing the overall durability of your ATV.

2. Improved sealing: The O-ring chain sprocket design provides a more effective seal, reducing the likelihood of contaminants entering the chain and damaging it. This leads to less maintenance and fewer potential repairs.

3. Better performance: A well-sealed chain runs more efficiently and performs better, leading to improved acceleration and overall riding experience.

4. Cost-effective: Compared to sealed or X-ring sprockets, O-ring sprockets are generally more affordable, making them a cost-effective option for maintaining your ATV.

Cons:

1. Manual installation: Unlike sealed or X-ring sprockets, O-ring sprockets require manual installation, which can be time-consuming and may require some mechanical knowledge.

2. Potential for user error: The manual installation process increases the likelihood of user error, which could potentially lead to improper sealing or damage to the sprocket or chain.

3. Exposure to elements: O-ring sprockets, as opposed to sealed sprockets, are exposed to the elements, which could potentially lead to damage from water, mud, and other contaminants.

Conclusion:

In conclusion, the Honda TRX300EX O-Ring Chain Sprocket (12/39) offers several advantages, including enhanced durability, improved sealing, better performance, and cost-effectiveness. However, it also comes with some disadvantages, such as manual installation, the potential for user error, and exposure to the elements.

Recommendation:

If you are comfortable with manual installation and understand the importance of proper sealing, the Honda TRX300EX O-Ring Chain Sprocket (12/39) is a solid choice for maintaining the performance and longevity of your 2001-2004 Honda Sportrax F-401850. Be sure to follow the installation instructions carefully and maintain the sprocket to ensure optimal sealing and longevity.

part # f401850 price

  • $74.75

specifications utvshift:

  • for models: 300ex, Trx300ex, Sportrax
  • for makes: Honda
  • for years: 2001-2004
  • brand: Race-driven
  • part type: Ring Chain Sprocket
  • manufacturer part number: F-401850
  • material: Stainless Steel

payments utvshift:

  • credit card: Visa
  • wallet: Paypal
  • other

offer utvshift:

  • started: September 20, 2025
  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • quantity: 3

shipping utvshift:

  • transit: 3-5 Days
  • class: Expedited
  • cost: $0.00
  • type: Fixed
  • service: FedEx 2Day
  • carrier: FedEx

general utvshift:

  • condition: New
  • ATV, Side-by-Side UTV Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain Parts

seller utvshift:

  • # reviews: 19508
  • rating: 99.8%

returns utvshift:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
for models: 300ex, trx300ex, sportrax, for makes: honda, for years: 2001-2004, part type: ring chain sprocket,
category: atv parts > atv, side-by-side utv parts accessories > transmission drivetrain > transmission drivetrain parts, material: stainless steel, sku: 8605117431014762,

Race-driven F-401850 Is Similar To:

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1 offer $74.75 USD
  • Offer #1: $74.75 price + free delivery = $74.75* total. All chains include Masterlink, these chains are designed for. FREE SHIPPING ENTIRE U.S.FREE SHIPPING