Bearing replacements

Joined
Aug 19, 2003
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#1
Hi there
I am replacing my rear wheel bearings on my XR and I am having trouble. I removed the right hand bearing by using a hammer and rod from the other side, but for the left hand bearing there is a 5mm thick circular piece of metal in the way. It have 4 small holes and I am wondering if these are for a special tool to remove the metal if it is threaded.
Any suggestions would be appreciated.

Cheers!