These are top of the line 25mm Ceramic rear axle bearings. The best ultra free spinning ceramic on the market. Used by all of the top Teams.
Let's face it. When racing, the difference in fractional seconds can mean the placement of first to second! When your racing demands high performance, then you need ceramic bearings.
Here are just a few advantages of ceramic:
They are harder yielding greater wear resistence
They have superor corrosion resistence
They have a superior surface finish
They have a superior surface quality (less friction)
They have superior ball geometry
The are lighter weight and yeild better high speed endurance
They are ideal for low lube of self-lubricating applications
They are non-magenetic and non-conductive
They can operate in extreme temperatures
Cost is for (1) bearing if you want more than one please add to your shopping kart and then adjust the quantity.