Welcome to Chain Reaction Cyclery

 Your local family-friendly bike shop

Welcome to Chain Reaction Cyclery!  Located in Appleton, at 818 N. Superior St., and serving the Fox Valley, we’re dedicated to providing the best in bicycle sales and detailed bicycle repair.  We offer a wide range of bikes, wheels, clothing, accessories, and snowshoes.  Combined, Trevor and Niki have over 25 years of bike experience.  We love riding bikes and equipping others to do the same.  We take great pride in knowing most customers on a first-name basis, and look forward to getting to know you, too. 

Stop by the shop, or give us a call to learn more!

  • Opened in spring 2007
  • Owned by Niki & Trevor Gelhaar
  • 25+ years of combined bike experience
  • We service all makes and models
  • We sell new bicycles

Chain Reaction Hours:

Monday 10am – 7pm Friday 10am – 5:30pm
Tuesday 10am – 7pm Saturday 10am – 2pm
Wednesday 10am – 5:30pm Sunday Gone Riding
Thursday 10am – 5:30pm    

Please note, hours are subject to change on occasion, we do our best to note these changes here, or on our answering machine.  Thank you!!!