From SFBC:
Learn the names of the parts of your bike, how to fix a flat, and the importance and ease of keeping your bike clean in this hands on bike maintenance class @ Box Dog Bikes. $35 for this class; Take two for $65, three for $90, or four for $120. Contact: dan@boxdogbikes.com with questions or call 415-431-9627 or stop by the shop to sign up.
