Mountain Bike
For those who prefer their cardio with a side of mud, sweat, and occasional screaming. Stick this up and let your walls know: downhill is life, brakes are optional, and gravity is just a suggestion.

For those who prefer their cardio with a side of mud, sweat, and occasional screaming. Stick this up and let your walls know: downhill is life, brakes are optional, and gravity is just a suggestion.
