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Sprocket removal tutorial


Jake.

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No need for chain whip, just a good vice and a spare bit of chain.

Wrap the chain round the sprocket like this

20130127_222744.jpg

Put it in the vice like this

20130127_222720.jpg

Turn the wheel in the direction the wheel goes forward, in this case anti clockwise.

Hope this helps Someone after having seen that topic with shops heating sprockets up or cutting them off :)

Also, we did try using a chain whip with an old fork as an extension. The chain whip chain snapped.

20130127_220831.jpg

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No need for chain whip, just a good vice and a spare bit of chain. Wrap the chain round the sprocket like this 20130127_222744.jpg Put it in the vice like this20130127_222720.jpg Turn the wheel in the direction the wheel goes forward, in this case anti clockwise. Hope this helps Someone after having seen that topic with shops heating sprockets up or cutting them off :) Also, we did try using a chain whip with an old fork as an extension. The chain whip chain snapped.20130127_220831.jpg
Just to add a little tip to this, in the second photo, slide a bolt through the chain on the other side of the vice, then it stops the chain sliding out when you start writhing at it. It's the method I use, never failed me yet
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Every time I used this method the chain snapped. Also has a couple of people offer to get them off for me but they never could

This method is ok aslong as the sprocket isn't to tight

I made a proper tool for the job in the end

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a slightly better way is instead of clamping the trailing end of the chain in a vice, clamp the chain while it's around the cog EXCEPT let one link of the chain miss a tooth so it makes a small triangle. This way it can't slip around in the vice, I've never seem it snap a chain or fail getting a cog off.

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