For over 40 years, Keiser has been changing the way people exercise. Since the introduction of the M Series indoor bikes, Keiser has been the leader in cardio bikes. The M Series indoor bikes are used by thousands of home workout enthusiasts and gyms around the world. Each M Series bike is finely tuned to meet the needs of every rider, no matter riding ability.

The M3 Indoor Bike is the standard. Built using only the highest quality materials, it features a forward-thinking design and amazing build quality to withstand long everyday rides. The

M3 Indoor Bike takes the M3 to the next level and introduces added tech including a Bluetooth enabled computer, multi-adjustable handlebars, a polar heart rate monitor and stretch pads.