Losi LOSA6939 6x10mm Ball Bearing 4 LST XXL Mega-Baja XXL-2

The Losi LOSA6939 is a pack of 4 6x10mm ball bearings built for the LST, XXL, Mega-Baja, and XXL-2. These bearings support rotating components like axles, gears, or shafts on these large-scale platforms, letting them spin freely with minimal friction under the substantial loads these trucks generate during hard acceleration and rough terrain driving.

Bearings are wear items on any RC vehicle that sees regular use, and a worn or contaminated bearing adds drag that can show up as reduced performance or unusual noise from the drivetrain. Because large-scale trucks like the LST and Mega-Baja put real stress on their internals, keeping bearings fresh is part of routine maintenance for anyone running these platforms hard. This genuine Losi pack matches the factory 6x10mm specification, so the bearings drop into your existing bearing bores without modification. Keep spares on hand for quick, reliable maintenance.