The spokes were not tensioned properly. Take it back to the shop and have them retension the wheel. If you weigh +200 pounds they need to be at the high end of the tension. The tolerance is large for Bontrager wheels.

See the Bontrager wheel or the Park site manual.
http://www.bontrager.com/assets/File...ile325_970.pdf
http://www.parktool.com/repair/readhowto.asp?id=51