Over time as you ride your bike your chain wears down the teeth on the rear sprockets.
Mountain bike rear sprocket removal.
After you have removed the rear wheel from your bike remove the quick release skewer from the wheel.
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.
Freewheel sprocket mountain shimanofreewheel howtoremovecassette without chain whip howtoremovefreewheel without tool howtoremovesprocket from bicycle.
Engage remover into splines notches.
Reinstall quick release skewer with skewer nut on outside of remover.
If a standard cassette lockring remover doesn t fit your cassette ask a bike tech for one that will.
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.
The collection of sprockets is held in place with a lockring.
This post explains the tools needed and the proper procedure of removing rear sprockets of rear wheels that have them.
Snug skewer nut against remover.
Sprockets mount on a splined cylinder on the rear hub called the freehub body.
If solid axle type use axle nut to hold frewheel tool.
Inspect cassette and select correct type of remover.
Inspect freewheel center and select correct removal tool see chart above.
It will only seat in one position.
To change a rear cassette on your bike wheel start by removing the rear wheel from the bike.
Install quick release skewer and install skewer nut on outside of remover.
Then insert the cassette lockring remover into your cassette and turn it until it seats.
The skewer acts as a holding device for freewheel removal tool.
Mount bike in repair stand and remove rear wheel from bike.
Tools needed will be listed after the preparation procedures are explained for reasons that will become apparent after reading paragraphs preceding the tool list.
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.
Normal wear and tear on a bike will eventually require replacement of the sprockets.
The smaller sprockets tend to wear quicker than the larger ones.
