Joined: Jul 2002
Posts: 40,863
Likes: 3,115
From: Sacramento, California, USA
Bikes: Specialized Tarmac, Canyon Exceed, Specialized Transition, Ellsworth Roots, Ridley Excalibur
Yeah, I'm wondering if you just don't have it tight enough and the tire is slipping. It has to be enough pressure to deform the tire a bit.