Pre-order now for delivery in 2 weeks. The WaterRower Classic is handcrafted in solid American Black Walnut. Add the SmartRow Intelligent Power Meter to enhance your rowing experience, set goals and track your progress! Like all woods, Black Walnut may vary in colour from a rich brown to purple-black. Each machine has been hand finished with Danish Oil giving a deep lustre an warmth to the wood. Wood has been chosen due to its marvelous engineering properties, primary amongst these is its ability to absorb sound and vibration enhancing the WaterRower's quietness and smoothness of use. Ash, like all woods used in WaterRower construction, is a premium hardwood with incredible longevity and dimensional stability. For reasons of ecology, all WaterRowers woods are harvested from replenishable forests Rowing has long been recognised as the most complete aerobic exercise: Works 84% of the muscle mass- more than any other exercise, rowing recruits all major muscle group Maximises gain, minimis