Get fit with two Cycle + GRAVITY classes from The Tone Zone. The Tone Zone is a boutique gym down the street from Madeleine on Morena Blvd. Fun fact: The Tone Zone is owned and operated by a School of the Madeleine alumni! They offer Cycle + GRAVITY classes as well as just Cycling classes. GRAVITY is strength training using your own body weight. Cardio and strength training in one hour. Small class sizes. Please visit: www.thetonezonesd.com for more information.