Try:
Sheboygan Bicycle Co (a Trek dealer) at: 804 N. 8th Street, Sheboygan, WI 53081, Phone: 920-208-8735
or Bicycle Works (a Specialized dealer) at: 1114 Plankview Green Blvd. P.O. Box 52, Sheboygan Falls, phone: 920-467-4549
FYI...there are group rides leaving from Bicycle Works on Wednesdays at 5:00pm and Saturdays at 8:00am.
-Scott