RACE-DRIVEN F-402978 Ring Chain Sprocket Set 12/39 86L

( Brand: Race-driven ), ( Part Type: Ring Chain Sprocket ), ( Manufacturer Part Number: F-402978 ), ( Material: Stainless Steel )

Review RACE DRIVEN Honda Non O ring Chain And Black Sprocket Set 12/39 86l fits 300EX TRX300EX 2005–2008

Introducing the Race-Driven F-402978 2005-2008 Honda TRX300EX/X4 O-Ring Chain Sprocket Set, a high-performance upgrade for your off-road vehicle. This top-tier sprocket set, designed specifically for the Honda TRX300EX and TRX4 models produced between 2005 and 2008, is engineered to deliver enhanced durability, improved power transmission, and an overall superior riding experience.

The Race-Driven F-402978 kit includes both the 12 and 39-tooth sprockets. These sprockets are meticulously crafted from premium materials, ensuring robustness and resistance to wear and tear. The 12-tooth sprocket features a heavy-duty design, perfect for handling the increased power and torque of off-road riding. The 39-tooth sprocket, on the other hand, offers an optimal gear ratio for smooth power delivery and efficient engine performance.

One of the standout features of this set is the utilization of O-Ring technology. The O-Rings create a positive seal between the sprocket and the chain, eliminating the need for constant adjustments and providing a cleaner, quieter ride. This design also helps improve chain life by reducing the amount of wear on the rollers and links.

The Race-Driven F-402978 2005-2008 Honda TRX300EX/X4 O-Ring Chain Sprocket Set is an excellent choice for riders who demand the best in performance and reliability. Whether you're tackling rough terrain, competing in races, or simply enjoying the great outdoors, this sprocket set will help ensure your vehicle is always ready for the challenge.

In summary, the Race-Driven F-402978 2005-2008 Honda TRX300EX/X4 O-Ring Chain Sprocket Set is a top-tier upgrade for your off-road vehicle. Its robust design, improved power transmission, and the use of O-Ring technology make it an essential accessory for any serious rider. Upgrade your Honda TRX300EX or TRX4 today and take your off-road experience to the next level.

Pros and Cons of Buying a Honda TRX300EX/300EX O-Ring Chain Sprocket Set (12/39) from Race-Driven (F-402978, 2005-2008)

1. OEM Compatibility: These sprockets are designed to fit Honda TRX300EX and TRX300EX models from 2005 to 2008, ensuring a direct replacement.

2. Enhanced Performance: O-ring chain technology provides better sealing, reducing the loss of lubrication, and resulting in improved chain performance and longevity.

3. Quality Manufacturing: Race-Driven is a reputable aftermarket parts supplier, ensuring the sprockets are made from high-quality materials and precision-machined to meet OEM specifications.

4. Easy Installation: The o-ring chain design simplifies the installation process by eliminating the need for manual sealing of the chain.

5. Availability: These sprockets are readily available through various online retailers and automotive parts stores.

1. Cost: Aftermarket parts like the Race-Driven sprockets may be more expensive than OEM counterparts. However, the potential performance benefits and durability may justify the investment for some.

2. Potential Fitment Issues: While the sprockets are designed for Honda TRX300EX and TRX300EX models from 2005 to 2008, there is still a chance of fitment issues due to manufacturing variations. It's essential to follow the installation instructions carefully and ensure proper alignment.

3. Noise: Some customers have reported increased noise after installing o-ring chain sprockets, potentially due to the tighter seal that might cause additional friction.

The Honda TRX300EX/300EX O-Ring Chain Sprocket Set (12/39) from Race-Driven offers several advantages over standard chain sprockets, including improved sealing, enhanced performance, and OEM compatibility. However, the higher cost and potential fitment issues are worth considering before making a purchase. Ultimately, the decision to buy this product depends on your budget, the condition of your current sprockets, and your expectations for performance improvement.

For riders seeking better chain sealing and improved performance, the Race-Driven O-Ring Chain Sprocket Set (F-402978) is a worthwhile investment for their Honda TRX300EX or TRX300EX (2005-2008). However, it's crucial to ensure proper fitment and alignment during installation to maximize the benefits and minimize potential issues.

part # f402978 price

• $60.45

specifications utvshift:

• for models: 300ex, Trx300ex
• for makes: Honda
• for years: 2005-2008
• brand: Race-driven
• part type: Ring Chain Sprocket
• manufacturer part number: F-402978
• material: Stainless Steel

shipping utvshift:

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

seller utvshift:

• rating: 99.9%
• # reviews: 120448

offer utvshift:

• availability: In Stock
• started: April 11, 2026
• options: Ship-to-home
• sold: 0

returns utvshift:

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

payments utvshift:

• other
• wallet: Paypal
• credit card: Visa

general utvshift:

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

Race-driven F-402978 Is Similar To:

• Race-driven F-404989 1997 - 2000 Yamaha Yfm 350 Warrior Green O-ring Chain Black Sprocket 13/40 98l (66.3% similar) $74.75. (October 8th, 2024)
• Race-driven Am-90020 Race-driven Replacement Red O-ring Chain Fits Honda Sportrax 400ex 450r (50.3% similar) $51.18–$77.41. (December 16th, 2024)
• Race-driven Rd-1541-blk Sprocket For Polaris Trail Boss 325 2000 Rear 42 Tooth By Race-driven (28.6% similar) $37.35–$42.94. (December 22nd, 2024)
• Primary Drive Pdrc-520-118 520 Gold Plated Mx Race Chain 520x118 For Atv/utv (29.1% similar) $50.95–$75.18. (December 28th, 2024)
• Race-driven 407009 2006 - 2010 Fits Suzuki Ltr450 450 Quadracer Chain And Silver Sprocket 13/36 96l (54.5% similar) $60.45. (January 5th, 2025)
• Race-driven F-404882 Yamaha Blaster Drive Sprocket P/n 2xj-25440-21-00 (43.9% similar) $31.80. (January 13th, 2025)
• Race-driven F-27296 2009 2010 2011 2012 2013 2014 Honda Trx400x Trx400 Rear Riptide Brake Rotor Disc (51.2% similar) $48.35. (January 21st, 2025)
• Race-driven F-22127 2013 2014 2015 2016 2017 Can-am Outlander Dps 650 Rear Brake Rotor Disc (41.2% similar) $35.22. (January 21st, 2025)
• Race-driven F-404886 1995 1996 1997 Yamaha Yfm350 350 Warrior 40t Rear Black Sprocket (43.6% similar) $31.80. (January 21st, 2025)
• Race-driven A-83917 2017 Can-am Renegade Xmr 570 4x4 Front And Rear Riptide Brake Rotors Pads (33.7% similar) $208.95. (January 22nd, 2025)
• Race-driven F-14169 2007 2008 2009 2010 2011 Can-am Outlander Max 400 Front And Rear Brake Rotors (47% similar) $100.05. (January 25th, 2025)