![](http://www.alamy.com/thumbs/6/72816877-68A8-46EB-ACC3-F10E64050AE9/MTXXTA.jpg)
Air Force 1st Lt. Ken Cerreta uses Vernier calipers to measure the top tube on a bicycle frame he’s building for a customer. Each steel frame Cerreta builds is fitted to exact customer specifications. (Paul Air Force)
Size: 3000px × 2000px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: afb, bicycle, custom, frame, handmade, hill, nahbs