RACE-DRIVEN F-402840 Ring Chain Sprocket 12/39

( Brand: Race-driven ), ( Part Type: Ring Chain Sprocket ), ( Manufacturer Part Number: F-402840 ), ( Material: Stainless Steel )

Review RACE DRIVEN Honda Non O ring Red Chain And Black Sprocket 12/39 fits SPORTRAX 300EX TRX300EX 1998–2002

The Honda Sportrax 300EX TRX300EX, including the 1998-2002 models, is equipped with a race-driven F-402840 o-ring chain and sprocket system for optimal performance. This specific component refers to the 12/39 ratio sprocket, which plays a crucial role in the chain drive transmission.

The o-ring chain, a key part of this setup, features an advanced design with internal o-rings that provide superior sealing and longevity. The chain's high tensile strength steel rollers ensure a secure and efficient connection between the sprockets, resulting in smooth power transfer to the wheels.

The 12/39 ratio sprocket, designed for the Sportrax 300EX, is engineered to match the engine's output and the rear wheel's requirements. The 12 teeth on the drive sprocket engage with the chain's rollers to transmit engine power to the rear wheel, while the 39 teeth on the driven sprocket provide the proper gear reduction for the desired speed and torque.

This race-driven o-ring chain and sprocket system are specifically designed for off-road applications, making it an excellent choice for those seeking improved performance and reliability in their Honda Sportrax 300EX TRX300EX. The o-ring chain's advanced sealing system protects against dirt, debris, and moisture, ensuring a long service life and reduced maintenance requirements.

In summary, the F-402840 12/39 o-ring chain and sprocket system is an essential upgrade for Honda Sportrax 300EX TRX300EX owners who demand superior performance, durability, and reliability from their off-road vehicle. This component, featuring an advanced o-ring chain and perfectly matched sprockets, ensures a seamless power transfer, efficient gear reduction, and protected drivetrain.

Pros and Cons of Buying a Honda TRX300ex/300EX O-Ring Chain Sprocket (12/39)

The Honda TRX300ex and TRX300EX are popular all-terrain vehicles (ATVs) known for their reliability and durability. One essential component of these ATVs is the chain and sprocket system. In this context, we will discuss the pros and cons of buying a race-driven F-402840 98-02 Honda Sportrax 300ex/TRX300ex O-ring chain sprocket 12/39.

1. Enhanced Performance: This aftermarket sprocket is designed for racing applications, which implies improved power delivery and acceleration over the stock OEM component.

2. Durability: The race-driven design ensures that the sprocket is robust and can withstand the rigors of high-performance riding and racing conditions.

3. Better Fit and Finish: Aftermarket parts often provide a better fit and finish compared to OEM components. This sprocket might look more visually appealing and fit more snugly, ensuring a smoother operation.

1. Cost: Aftermarket parts generally tend to be more expensive than OEM components. This sprocket may be a significant investment for some ATV owners.

2. Installation Complexity: Depending on the ATV's model year and the level of expertise of the installer, installing an aftermarket sprocket might be more complicated than replacing the stock OEM component.

3. Potential Compatibility Issues: It's crucial to ensure that the aftermarket sprocket is compatible with the specific model year and ATV configuration before purchasing.

The race-driven F-402840 98-02 Honda Sportrax 300ex/TRX300ex O-ring chain sprocket 12/39 offers numerous benefits, including enhanced performance and durability. However, it also comes with potential drawbacks, such as increased cost, installation complexity, and potential compatibility issues. Ultimately, the decision to purchase this aftermarket component depends on an individual's priorities, budget, and technical expertise.

For ATV enthusiasts seeking improved performance, durability, and a visually appealing upgrade, purchasing the F-402840 98-02 Honda Sportrax 300ex/TRX300ex O-ring chain sprocket 12/39 is a worthwhile investment. However, it is essential to ensure proper compatibility, consult the installation manual, and consider the additional costs before making a purchase.

part # f402840 price

• $63.75

specifications utvshift:

• for models: 300ex, Trx300ex, Sportrax
• for makes: Honda
• for years: 1998-2002
• brand: Race-driven
• part type: Ring Chain Sprocket
• manufacturer part number: F-402840
• material: Stainless Steel

returns utvshift:

• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

offer utvshift:

• started: November 9, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

seller utvshift:

• rating: 99.7%
• # reviews: 117061

shipping utvshift:

• carrier: FedEx, USPS
• cost: $0.00
• class: Expedited, One-day
• service: FedEx 2Day, FedEx Standard Overnight, USPS Priority Mail Express
• transit: 3-4 Days
• type: Calculated

general utvshift:

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

payments utvshift:

• credit card: Mastercard
• other
• wallet: Google-pay

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