It will only seat in one position.
Mountain bike rear sprocket removal.
Sprockets mount on a splined cylinder on the rear hub called the freehub body.
After you have removed the rear wheel from your bike remove the quick release skewer from the wheel.
The smaller sprockets tend to wear quicker than the larger ones.
Engage remover into splines notches.
Inspect cassette and select correct type of remover.
If solid axle type use axle nut to hold frewheel tool.
Modern shifting mechanisms like shimano s hyperglide and sram s powerglide chain and sprocket combination rely on correct alignment of shaped teeth and contoured shift gates in the sprocket.
Qkurt bike chain tool kits bicycle cassette removal tool auxiliary wrench cassette lockring tool with pin sprocket remover black 4 4 out of 5 stars 195 14 59 14.
Mount bike in repair stand and remove rear wheel from bike.
Normal wear and tear on a bike will eventually require replacement of the sprockets.
The collection of sprockets is held in place with a lockring.
Freewheel sprocket mountain shimanofreewheel howtoremovecassette without chain whip howtoremovefreewheel without tool howtoremovesprocket from bicycle.
Inspect freewheel center and select correct removal tool see chart above.
Next remove the skewer which is the rod running through the center of the wheel and insert a lockring removal tool into the center of the cassette.
Snug skewer nut against remover.
If a standard cassette lockring remover doesn t fit your cassette ask a bike tech for one that will.
The skewer acts as a holding device for freewheel removal tool.
Tools needed will be listed after the preparation procedures are explained for reasons that will become apparent after reading paragraphs preceding the tool list.
Install quick release skewer and install skewer nut on outside of remover.
Reinstall quick release skewer with skewer nut on outside of remover.
Mount bike in repair stand and remove rear wheel from bike.
Then insert the cassette lockring remover into your cassette and turn it until it seats.
Engage tool into splines notches.
This post explains the tools needed and the proper procedure of removing rear sprockets of rear wheels that have them.
