Greg Hum is a drumbiker.  What is that, you ask? Well, take some rhythm and add it to your transportation.  That’s where it starts.  Brock speaks with him at his apartment in Cambridge, MA about sound and motion, bike fun, and the delicate line along which an event organizer walks when dealing with sensitive authority figures

From the Sprocket Podcast with Brock Dittus: http://www.thepodcasthost.com/thesprocketpodcast/2015/01/29/e220b-greg-hum-drumbiker/

The Sprocket Podcast - E220b - Greg - Hum - Drumbiker

Galen Mook talking about Midnight Marathon Bike Ride 2017 on WMBR Radio's "Bike Talk" show