RENTHAL
Renthal Ultralight Rear Sprocket 37T SILVER – Fits TRX/ATC– 223U-520-37GPSI
Renthal Ultralight Rear Sprocket 37T SILVER – Fits TRX/ATC– 223U-520-37GPSI
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🔥 Renthal Ultralight Rear Sprocket 37T SILVER – Fits TRX250R / TRX250X / ATC250R – 223U-520-37GPSI
Dragging your quad through the track like it's stuck in glue? Drop the dead weight and bolt up the Renthal Ultralight Rear Sprocket 37T Silver. CNC machined from aerospace-grade 7075 T6 aluminum, it's 66% lighter than steel and tougher than a roost guard at Glen Helen.
This Renthal 37-tooth silver sprocket for TRX250R, TRX250X, and ATC250R delivers faster acceleration, smoother power transfer, and style that says, “Yeah, I ride.”
Key Features:
✅ Material: CNC machined from 7075 T6 aerospace aluminum
✅ Weight: 66% lighter than steel for responsive performance
✅ Design: Grooved silver finish enhances grip and chain interface
✅ Fit: 37-tooth configuration for crisp torque and throttle response
✅ Application: Ideal for MX, trails, dunes, or race days
✅ Part Number: 223U-520-37GPSI
📌 Fitment:
Ducati:
Monster 696 (2008–2012)
Honda:
TRX250R, TRX250X, TRX300EX, TRX300X, TRX400EX, TRX400X, TRX450R, TRX450ER, ATC250R (1985–2014)
(Fits models with 520 chain and 37T setup. Always confirm before bolting it up.)
❓ FAQs:
Q: How do I know this fits my quad?
A: If your Honda’s on the list above and you're running a 520 chain, you're good to go. Unsure? Message us—we’ve got your back.
Q: Why Renthal Ultralight over steel?
A: 66% less weight means faster launches, quicker throttle, and a smoother ride. It's the sprocket trusted by factory race teams for a reason.
Q: That silver finish just for looks?
A: Not at all. It helps grip the chain, shed mud, and looks clean doing it.
🛒 Add to cart now and leave steel in the dust. Ride Renthal. Ride fast. 🏁
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