Replace the o-rings on my Umnumzaan

Joined
Sep 29, 2008
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10,394
I noticed today that one of the o-rings seems to be less snug around the thumbstud. I figure I can replace them, but I also don't want to bother CRK with shipping out two essentially small rubber bands. Is there a place I can pick them up locally maybe?
 
Home Depot in the plumbing section?
 
I've ordered them from an earring place before. There is a thread somewhere with a link to the website and they have different colors. I actually have glow in the dark rings on my Umnumzaan at the moment.
 
The stock O-rings on the Umnumzaan aren't simply 'rubber' they are polyurethane and act as shock absorbers. Contact CRK they will be more than happy to help you. Fix it the right way.
 
There was some debate over using CRK o-rings vs regular rubber o-rings. I've had the glow in the dark ones on mine for several months now and they seem to be holding up fine.
 
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