Joined: Jun 2010
Posts: 530
Likes: 3
From: Maine
Bikes: 90 Raleigh Chill MTB, 92 Trek 1200, 2004 Trek 2300, 67 Sports, 70 Sports, 71 Philips, Lotus Challenger, 74 Super Course, Univega Gran Tourismo, Nishiki Seral
What is the black thing around the head tube that looks like a headset cup?