RACE-DRIVEN F-400239 Ring Chain Sprocket 12/38

( Brand: Race-driven ), ( Part Type: Ring Chain Sprocket ), ( Manufacturer Part Number: F-400239 ), ( Material: Stainless Steel )

Review RACE DRIVEN Honda Green O ring Chain Black Sprocket 12/38 fits SPORTRAX 300EX TRX300EX 2001–2004

Introducing the Race-Driven F-400239 O-Ring Chain Sprocket, specifically designed for Honda Sportrax 300EX and TRX300EX models produced between 2001 and 2004. This premium replacement part is an excellent upgrade for your all-terrain vehicle, ensuring optimal performance and durability.

The F-400239 Sprocket boasts a robust design with high-quality materials that resist wear and tear. The O-Ring design offers enhanced sealing capabilities, preventing the entry of debris and contaminants, which can potentially damage the chain and sprocket. The O-Rings also help maintain lubrication within the chain, reducing friction and heat build-up, resulting in a smoother and quieter ride.

This sprocket is precision-machined to ensure perfect fitment, eliminating the need for modifications or adaptations. Its tooth geometry has been carefully engineered to provide maximum power transfer, delivering improved acceleration and torque. The hard-anodized surface not only enhances the sprocket's durability but also offers enhanced resistance to corrosion, ensuring long-lasting performance.

The F-400239 Sprocket comes with a replacement seal, making this an all-inclusive kit for a hassle-free installation process. The installation process is relatively straightforward and can typically be completed in under an hour, making it an ideal upgrade for weekend warriors and avid off-road enthusiasts.

By upgrading to the Race-Driven F-400239 O-Ring Chain Sprocket, you'll not only enhance the performance of your Honda Sportrax 300EX or TRX300EX but also extend the life of your chain and sprocket system, saving you money and time in the long run. Trust Race-Driven for high-quality, reliable, and affordable replacement parts for your ATV.

Pros and Cons of Buying a Honda TRX300EX/300EX O-Ring Chain Sprocket (12/38)

1. **Improved Durability:** O-ring chain sprockets have seals that prevent the chain lubricant from leaking out. This results in less maintenance and increased durability compared to X-ring chain sprockets.

Pro: Enhanced chain lubrication retention, reducing the need for frequent re-lubing and extending the lifespan of the chain.

2. **Better Sealing:** The O-ring chain sprocket design provides better sealing, preventing contaminants from entering the drivetrain.

Pro: Reduced risk of dirt and debris damaging the drivetrain components, resulting in smoother performance and longer component life.

3. **Easier Installation:** O-ring chain sprockets are simpler to install as they do not require the use of a special tool or the removal of the engine case for installation.

Pro: Time and cost savings during installation due to the elimination of the need for additional tools or extensive disassembly.

4. **Potential for Chain Damage:** The O-ring design may put additional stress on the chain due to the pressure exerted by the seals.

Con: Increased risk of chain damage or wear, potentially requiring more frequent chain replacements.

5. **Higher Cost:** O-ring chain sprockets are typically more expensive than their X-ring counterparts.

Con: Greater financial investment for the upgrade, although the potential cost savings from reduced maintenance and longer component life may offset this over time.

In conclusion, the decision to purchase an O-ring chain sprocket for a Honda TRX300EX/300EX comes down to balancing the benefits of improved durability, better sealing, and easier installation against the potential drawbacks of increased chain wear and higher cost.

Recommendation: If you prioritize reduced maintenance, improved sealing, and ease of installation, the investment in an O-ring chain sprocket is likely to be worthwhile, despite the potential for increased chain wear and higher cost. However, if you're on a tight budget or are concerned about the potential for chain damage, an X-ring chain sprocket may be a more suitable choice. Ultimately, consider your personal preferences, budget, and riding conditions when making your decision.

part # f400239 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-400239
• material: Stainless Steel

payments utvshift:

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

returns utvshift:

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

offer utvshift:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: May 17, 2026

general utvshift:

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

shipping utvshift:

• service: USPS Ground Advantage, FedEx 2Day, USPS Priority Mail, FedEx Standard Overnight
• carrier: USPS, FedEx
• cost: $0.00
• transit: 3-5 Days
• type: Calculated
• class: Standard, Expedited, One-day

seller utvshift:

• # reviews: 121074
• rating: 99.9%

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