J&T Bearing Co Kyosho Mini-Z Sealed Bearing Kit Set Upgrade Hardware JTB-JT10377

Unlock maximum top speed, longer run times, and super-smooth power delivery with the J&T Bearing Co. Mini-Z Sealed Bearing Kit (JTB-JT10377). Designed specifically to replace factory plastic or brass bushings on Kyosho Mini-Z platforms, this high-precision ball bearing kit drastically reduces drivetrain resistance and drag.

Each bearing comes pre-lubricated and equipped with protective seals to keep out carpet fibers, dust, and track debris. Whether you are racing on RPC track tiles, RCP carpet, or smooth hardwood, this upgrade ensures your Mini-Z rolls freely and stays competitive heat after heat.

Key Features

• Drivetrain Efficiency: Replaces high-friction factory bushings with smooth-rolling, high-precision ball bearings.

• Debris Protection: Sealed design shields internal steel balls and races from carpet fuzz, fine track dust, and grime.

• Pre-Lubricated & Ready: Factory lubricated for optimal out-of-the-package performance and low rotational drag.

• Performance Boost: Enhances acceleration, boosts top-end speed, and extends battery life per run.

• Direct Drop-In Upgrade: Precision dimensions allow for a seamless installation directly into factory axle housings and hubs.

Compatibility

• Vehicle Platform: Fits Kyosho Mini-Z series platforms (including standard 1/28 scale micro setups).

Specifications

• Brand: J&T Bearing Co.

• Part Number: JTB-JT10377 (JT10377)

• Bearing Type: Sealed Precision Ball Bearings

• Included Bearings:

  • (4) 2x6x2.5mm

  • (4) 3x6x2.5mm