Looking for a mirror closet door roller replacement

A home owner from Walnut Creek, CA says:
Hi there,

I recently replaced my floors to fix my floor levels. Due to this, my existing closet doors don't fit anymore. Is there any replacement for this kind of roller with more adjustable height? Thanks in advance for helping. I would really appreciate some help as we are in a bind here. Thanks.
Thumbnail of the uploaded file named Roller
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Paul from SWISCO responded:

Hello,

May we see this roller mounted on your door? That would help us determine if there is a roller that would retract more than your roller. Thank you. 

Sliding closet mirror door rollers and tracks
Sliding closet mirror door rollers and tracks
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