It will only seat in one position.
Mountain bike rear sprocket removal.
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.
Inspect freewheel center and select correct removal tool see chart above.
After you have removed the rear wheel from your bike remove the quick release skewer from the wheel.
Mount bike in repair stand and remove rear wheel from bike.
If solid axle type use axle nut to hold frewheel tool.
Then insert the cassette lockring remover into your cassette and turn it until it seats.
This post explains the tools needed and the proper procedure of removing rear sprockets of rear wheels that have them.
Sprockets mount on a splined cylinder on the rear hub called the freehub body.
Over time as you ride your bike your chain wears down the teeth on the rear sprockets.
You may need to replace the entire cassette or just one or two of the worn sprockets.
Engage remover into splines notches.
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Tools needed will be listed after the preparation procedures are explained for reasons that will become apparent after reading paragraphs preceding the tool list.
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.
Engage tool into splines notches.
The smaller sprockets tend to wear quicker than the larger ones.
Inspect cassette and select correct type of remover.
Snug skewer nut against remover.
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.
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.
Mount bike in repair stand and remove rear wheel from bike.
Install quick release skewer and install skewer nut on outside of remover.
Reinstall quick release skewer with skewer nut on outside of remover.
