Free Bike Prep Class

It involves going to Gaithersburg though...

Before you take your bike for a spin through Rock Creek Park or down to the canal, treat it to an expert-inspired tuning. Outdoor sports retailer Hudson Trail Outfitters is hosting a spring class so avid riders can get their bikes in shape for the season.

Participants can learn wheel and tire maintenance as well as basic repair and replacement of essential parts. The class, on March 21 at 7 p.m., also will cover proper cycling techniques. Registration is required. Hudson Trail Outfitters, 401 N. Frederick Ave., Gaithersburg; 424 York Rd., Towson; and 1101 South Joyce St., Suite B29, Arlington. Free. 800-211-9753, ext. 6 or visit http://www.hudsontrail.com/.