Pocket Bike Disc Brake Rotor (120mm 3-Bolt) - 47cc/49cc

Reliable Stopping Power: 120mm Pocket Bike Disc Brake Rotor

Restore your braking performance with the Universal Parts Disc Brake Rotor. Precision-engineered for 47cc and 49cc 2-stroke mini vehicles, this 120mm rotor is a direct replacement for worn or warped factory discs. Built from hardened, corrosion-resistant steel, it provides consistent friction and heat dissipation for safer riding on pocket bikes, mini-quads, and gas scooters.

Key Product Features

• Universal 3-Bolt Fitment: Designed with the industry-standard 33mm bolt spacing, making it compatible with a wide range of "Cag" and Daytona-style pocket bikes.
• Heavy-Duty Construction: 2mm thick steel plate resists warping under high heat and provides a durable surface for both organic and semi-metallic brake pads.
• Vented Design: Features integrated cooling holes to reduce brake fade and clear debris from the pad surface during operation.
• Direct OEM Replacement: Replaces factory rotors on most Chinese-manufactured 2-stroke mini ATVs and dirt bikes.

Comprehensive Vehicle Fitment

This rotor is a confirmed fit for most 47cc and 49cc 2-Stroke vehicles, including:

Technical Specifications

• Outer Diameter: 120mm
• Inner (Center) Diameter: 26mm
• Bolt Spacing (Center-to-Center): 33mm
• Mounting Holes: 3 Holes (Countersunk)
• Thickness: 2mm

Tech Tip: Always replace your brake pads when installing a new rotor. Reusing old, unevenly worn pads can score your new rotor and significantly reduce your stopping power. Check your mounting bolts for thread-lock residue and re-apply if necessary.