MOOSE RACING Sealed Chain Roller 34 mm x 24 mm - Black

OVERVIEW

The Moose Racing Sealed Chain Roller is a drivetrain accessory engineered to reduce friction and restore efficient power transfer by replacing worn or undersized units with a precision-machined alternative. Constructed from durable Delrin plastic, this sealed chain roller delivers consistent wear characteristics and low-friction rotation to protect chain links and sprocket teeth. Designed for specific dirt bike applications, this component maintains proper chain geometry and extends service intervals through contamination-resistant construction.

ENGINEERING & PERFORMANCE

This component minimizes rotational drag across the final drive system by maintaining accurate roller contours and stabilizing surface contact under torque load. The Delrin plastic housing provides high structural hardness and impact resilience, allowing the roller to absorb repeated strikes from rocks and trail debris without deformation or fracture. Precision-contact sealed bearings fully enclose the internal raceway, blocking water, mud, and grit from reaching lubricated surfaces to prevent abrasive wear. The integrated sealing system eliminates the need for frequent repacking while preserving free-spinning operation throughout the accessory lifecycle.

KEY FEATURES

• Precision-contact sealed bearings keep water and dirt away from internal surfaces
• Delrin plastic construction helps reduce friction dragging down the drivetrain
• Built-in seals prevent contamination ingress and maintain bearing longevity
• Color/finish: Black for visual consistency with factory hardware
• Outside diameter: 34 mm to accommodate standard roller sizing requirements
• Inside diameter: 14 mm to match original axle shaft dimensions
• Width: 24 mm for correct chain alignment and guidance coverage
• Mounting positioning supports both upper and lower application points based on model requirements
• Wide model compatibility covering select Yamaha, Kawasaki, and Suzuki platforms
• Made in the U.S.A. for controlled manufacturing quality

TECHNICAL SPECIFICATIONS

• Brand: Moose Racing
• Part Name: Sealed Chain Roller
• Accessory Type: Sealed Chain Roller
• Material: Delrin Plastic
• Finish: Black
• Outside Diameter: 34 mm
• Inside Diameter: 14 mm
• Width: 24 mm
• Bearing Configuration: Precision Contact Sealed Bearings
• Supported Models: Select Yamaha, Suzuki, and Kawasaki motorcycles and ATVs (see fitment chart)
• Origin: Made in the U.S.A.

FITMENT

• Kawasaki KDX 80 (1984–1988)
• Kawasaki KX 60 (1983–2003)
• Kawasaki KX 65 (2000–2020) Upper
• Kawasaki KX 80 (1983–2000)
• Kawasaki KX 100 (1995–2000)
• Kawasaki KX 80 Big Wheel (1992–1994)
• Suzuki RM 60 (2003)
• Suzuki RM 65 (2003–2005)
• Yamaha Blaster 200 4x2 (1988–2006)
• Yamaha Raptor 350 4x2 (2004–2013) Upper and Lower
• Yamaha TT 125 (2000)
• Yamaha TT-R 125 (2000–2009)
• Yamaha TT-R 125 E (2003–2009) Upper
• Yamaha TT-R 125 LE (2003–2019) Upper
• Yamaha TT-R 125 L (2000–2008)
• Yamaha TT-R 230 (2019–2020) Upper
• Yamaha WR 200 (1992) Upper and Lower
• Yamaha WR 250 R (2008–2019) Upper
• Yamaha WR 250 X (2008–2011) Lower; (2019) Lower
• Yamaha YFM 350 Warrior (1987–2004) Upper and Lower
• Yamaha YZ 80 (1983–2001)
• Yamaha YZ 85 (2002–2019) Upper
• Yamaha YZ 125 (1983–1985)
• Yamaha YZ 250 (1978–1986)

WHY RIDERS CHOOSE THIS

Riders select this sealed chain roller to restore smooth drivetrain performance by eliminating the power loss associated with binding or undersized replacement rollers. The combination of Delrin plastic and sealed bearings provides robust defense against muddy conditions and stone impacts that commonly cause seized bearings in unprotected designs. By removing the need for periodic bearing repacking and ensuring consistent low-friction rotation, this accessory helps riders maintain chain health and sprocket life during aggressive racing and trail riding sessions.