This is how the rear wheel hub works on your dirt bike. Yours may differ slightly, but the design is consistent across most makes and models.
Understanding how the rear wheel hub works on your dirt bike will save you time and effort when you perform your routine maintenance.
Unlike the front hub, the rear has three bearings instead of just 2, and a bearing retainer that screws into the brake side of the hub.
Related: Now that you know how the rear hub works, you can easily change the wheel bearings!
There are two bearings on the sprocket side and one bearing on the brake side. The double bearing on the sprocket side is needed to handle the torque from the engine.
From sprocket to the brake disc, your rear hub components are Axle, Spacer, Bearing Seal, Outer Bearing, Inner Bearing, Distance Collar, Bearing, Bearing retainer, Bearing seal, Spacer, Axle block, Washer, And axle nut,
When the hub components are in good shape, greased up, and aligned properly, your rear hub can go years without maintenance.