For the rear first remove the cassette from the.
Cup and cone bearings bike.
Standard bicycle bearing ball sizes.
Angular contact bearings of the cup cone type offer greater strength than sealed cartridge industrial bearings due their ability to displace lateral and vertical loads more effectively for super smooth rotation and longer durability.
If you cannot find an exact fit cone from our hub cone charts you will need to measure your existing cone and axle to find an approximate fit.
A disposable cartridge bearing or a cup and cone system which can be serviced.
We are using a rear wheel but the procedure is the same for a front.
There is a bearing on each side of the hub.
The locknut is tightened against the cone to prevent the cone from moving.
Steel balls roll between these two parts.
The cone traps the ball bearing.
For bearing ball standards see.
There are some exceptions use your old cones for reference.
The hubs of most bicycle wheels revolve around one of two types of bearing system.
The cups are built into the shell of the hub.
Loose ball bearings are the most traditional and require the use of bearings with a mated cup and cone.
If there is looseness from bearing play the cone can be move closer to the cup.
Bicycle bearings commonly use bearing balls placed in a cone compressed with a cup cup and cone bearing.
I do a lot of old bikes and finding cones is always a big pain.
Taiwanese cones fit 9mm 9 5mm and 10mm diameter axles.
Modern freehubs tend to be more complex.
Thanks for your suggestion.
The cones are conical nuts that screw onto the axle.
The combination of cup cone and balls forms the bearing.
The cup is normally a permanent press fit into the hub shell.
Angular contact bearings also allow easier maintenance adjustability and serviceability.
Cup and cone bearings.
The bits that keep your bike rolling.
If the cones are screwed on too far they exert pressure on the bearing balls.
Find out how to service cup and cone hubs in our walkthrough video step 1.
Instead of fixing the cone in a vise and then grinding on it with a stone which may not be done very evenly it is easier to make a fixed rounded grinding surface and then attach the cone to a rotary drill or dremel tool to machine it.
There is an improvement on this technique as follows.