Renthal Ultralight Rear Sprocket 39T - 223U-520-39GPSI - Honda TRX450R TRX400EX ATV

✨Renthal Rear Ultralight Sprocket 39 Tooth Silver – Pure Power for Your Honda

Ready to put some serious bite in your rear end? The Renthal Rear Ultralight Sprocket 39 Tooth Silver is the secret weapon your Honda’s been waiting for. Whether you're racing dunes, ripping trails, or just showing off in the pits, this sprocket brings the kind of performance that makes your throttle feel turbocharged.

CNC-machined in Manchester, UK from aerospace-grade 7075 T6 aluminum, it’s 66% lighter than steel—because speed doesn’t like dead weight. The precision-engineered tooth profile boosts power transfer, while the grooved surface keeps your chain hooked up clean and consistent, even when the roost gets real.

Whether you’re saddled up on a TRX450R or an old-school ATC 250R, the Renthal Rear Ultralight Sprocket 39 Tooth Silver is built to bolt on and blast off.

✅ 39T setup = ideal low-end torque and punch
✅ Grooved teeth for better grip and longer chain life
✅ Ultralight for faster acceleration and razor-sharp handling

Fitment:
✔ 2006–2009 Honda TRX450R
✔ 2006 Honda TRX450ER
✔ 2004–2005 TRX450R Sportrax
✔ TRX300EX, TRX400EX (Sportrax & FourTrax)
✔ TRX250R & ATC 250R (yep, even the legends)

Part Number: 223U-520-39GPSI

Race-tested, rider-approved, and ready for whatever you throw at it. Click Buy Now and give your quad the upgrade it deserves with the Renthal Rear Ultralight Sprocket 39 Tooth Silver!

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FAQs:

Q: Is 39T a good size for trail and track?
A: Absolutely. 39 teeth give you strong acceleration with enough top-end to keep you pinned in 5th.

Q: Will this fit my 2001 TRX400EX?
A: Yes! It's compatible with a wide range of Honda models from 1986 to 2009.

Q: How durable is it compared to steel?
A: It’s incredibly tough and 66% lighter—built to race, not rust.

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