Tech ZIPP Tubular RIM surface

kimm

Maximum Pace
Dec 25, 2009
193
26
48
tokyo, arakawaku
Hi guys,
I have got a second hand Zipp 808 firecrest tubular wheelset but after I removed the tyres,
the front wheel's rim has strange surface on the rim.
I have never used Zipp wheels so I don't know this is normal or not. Can you advise below pic's
white surface(in the center) is okay to ride? (Rear wheel doesn't have this kind of color on it)..
Thank,s


photo 1.JPG photo 2.JPG
 

AlanW

Maximum Pace
Jan 30, 2007
1,214
438
103
Tokyo
Looks like some glue remnants to me. I have some Zipps. It's hard to get all the glue out of the central channel.