Bike Cassette
Bike Cassette

How to Remove a bike freewheel ?
You’ll have to remove a freewheel or cassette in the following situations:
- If you’re replacing the freewheel or cassette
- If you’re replacing a spoke and need to insert it into the flange (the part that flares out at the ends of the hubs)
- If you’re overhauling the hubs
- If you’re replacing the hubs
If your bike has a freewheel, follow these steps to remove it.
- Remove the rear wheel from the bike.
- Remove the quick-release skewer or axle nut.
- Stand the wheel up on the floor.
- Attach the freewheel remover tool to the center of the freewheel. Be sure to use the correct type of freewheel remover tool. Check with your local bike shop or read your bike owner’s manual to find out which model is appropriate for your freewheel. To hold the freewheel removal tool in place, use the axle nut or insert the quick-release skewer through the center of the tool and tighten the nut to hold it in place.
- Using an adjustable wrench, turn the freewheel remover in a counterclockwise direction.
- When the freewheel remover loosens, remove the quick-release skewer or axle nut.
- Continue to unscrew the freewheel remover either by hand or with the wrench, until the freewheel is unthreaded from the hub.
Removing a freewheel, which tightens at every pedal stroke, can often be extremely difficult. If you can’t remove it with a full-size crescent wrench, more leverage is needed. You may be able to use an extension pipe or, more effectively, a heavy-duty vice (maybe borrowed from your local bike shop). Being unable to remove a freewheel is a very common frustration of home mechanics.
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I need an 8 speed cassette for my bike , however wiht so many different amounts of teeth , what will fit ?
There are many different sizes 11/32 , 11/30 , 11/28 , 12/25, 13/26, 13/23, ect !
My bike has a Shimano 8515 rear derailour and as gear levers reprisenting 24 gears (3×8)
Can someone recommend a size to get ?
There are plenty more sizes then that as well. So tell me what kind of bike you have? What kind of riding do you do? Are you a strong rider? Will you be riding lots of steep hills, some hills or almost none? The answers to these questions is why there are many cassette sizes.
Remove and install a 6 speed bike cassette on a new wheel
