YOUR PURCHASE HELPS SUPPORT THE BICYCLE HEAVEN MUSEUM IN PITTSBURGH P.A. AND THE HISTORY OF BICYCLES! THANK YOU.
THIS IS A BMX SEAT POST CLAMP THAT WILL FIT MOST OF EARLY AND NEW BMX STYLE. THEY ARE 25.4mm, ABOUT 1". YOUR CHOICE OF SILVER OR BLACK. VERY NICE QUALITY ALUMINUM MADE.
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