I had a Bontrager 2-bolt that definitely had hairline cracks around the bolt holes.
I wouldn't use a stem I had concerns about (ok I would but I bet I'd regret it when my teeth are scattered over the road).
@hippy started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
I had a Bontrager 2-bolt that definitely had hairline cracks around the bolt holes.
I wouldn't use a stem I had concerns about (ok I would but I bet I'd regret it when my teeth are scattered over the road).