Traxxas Needle Roller 6x10x8mm RC Bearing - 5121 2 Amp this is the central rotating

this is the central rotating shaft that transfers drive through the drivetrain

confidence-inspiring handling

Machined from aluminum and finished in a red anodize for durability and corrosion resistance

Retainer design keeps clips attached to the body or chassis rather than lost on the ground

this is the correct OEM replacement to get your car back on track

Traxxas Needle Roller 6x10x8mm RC Bearing - 5121 2 Amp this is the central rotatingThe Traxxas 5121 needle roller bearing is a factory specification replacement bearing designed for use in Traxxas RC models, supplied as a pair of 6x10x8mm bearings. Needle roller bearings are used in high load rotational applications within drivetrains and transmission assemblies, where a standard ball bearing would not fit the design. If you're rebuilding a Traxxas gearbox or transmission and need to source the correct bearing by part number,