Whitz XB2 Carpet/Dirt 2021-HyperGlide Bearing Set

The Whitz RC HyperGlide Bearing Set delivers a high-performance hybrid ceramic upgrade for the Xray XB2 platform. Built to an ABEC‑5 standard with Si3N4 ceramic balls and stainless steel construction, this set is designed to increase drivetrain roll, reduce friction and promote cooler running. Part number SCH‑WRP‑XB2121‑HGFK.

Features

• Hybrid ceramic design with Si3N4 ceramic balls


• ABEC‑5 rating for precise performance


• Stainless steel construction


• Increased drivetrain roll


• Lower friction and cooler running temperatures

Included Bearing Sizes

• (4) 10x15x4


• (2) 5x12x4


• (5) 5x10x4


• (2) 3x8x4


• (1) 6x12x4

Suggested Compatibility

• Xray XB2 2021 Carpet Edition


• Xray XB2 2021 Dirt Edition

Maintenance Notes

• Inspect every few track days; if bearings feel gritty or lose roll, clean with a citrus‑based degreaser.


• Lightly oil with a premium high‑temperature lubricant such as TDK Bearing Oil.


• Avoid car brake parts cleaner, which can damage bearings.

Please note: this full kit does not include steering bearings.