Do you want to learn how to fix a flat on your own bike? Have you ever wanted to come to BICAS but didn’t know how to begin? Does the idea of learning alongside other WTF folks sound appealing? Then sign up for a WTF Basic Maintenance Class! Click here to view dates for all upcoming Basic Maintenance Classes. Prefer a more in-depth class, to learn all about the systems of a bike? Click here to view dates for all upcoming Build-a-Bike Classes. WTF classes will be marked with an asterisk!