Joined: May 2008
Posts: 10,106
Likes: 2,762
From: Fredericksburg, Va
Bikes: ? Proteous, '65 Frejus TDF, '73 Bottecchia Giro d'Italia, '83 Colnago Superissimo, '84 Trek 610, '84 Trek 760, '88 Pinarello Veneto, '88 De Rosa Pro, '89 Pinarello Montello, 'Litespeed Catalyst'94 Burley Duet, 97 Specialized RockHopper, 2010 Langster
Besides small wires, look for extremely small triangular pieces of glass that only protrude through the rubber when the tire is in contact with the ground. That is when the puncture happens, then when you search or use tissue, you won't find it because it retracted back into the tire case.
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Bikes don't stand alone. They are two tired.