Suits all Fitness Levels Engineered with high tensile steel, the ErgoSki 3.1 is great for the beginner to get into top shape through to elite cross-country skiers looking to power up their pole strength. Durable and Sturdy As well as being durable and well built, the ErgoSki 3.1 has an advanced sports monitor with 8 programs, and readouts for; Stroke rate, Watts, Calories, pulse, Distance and Cycles. Self generating power with back up batteries. Polar heart rate receiver built in allowing remote telemetry connection with a variety of heart rate belts, watches and chest straps. High Strength Cords High density, woven, lightweight, nylon cords deliver durability and long lasting wear, even through the toughest workouts. A silky, smooth motion is provided through the belt drive system. Patented Fan Resistance System Quick, easy adjustment with 10 levels of air resistance which responds to your effort on every pull, so the user is in full control of their exertion and resistance. Self Generating Fitted with Rechargeable Batteries (supplied), the Console is activated and perpetually charged by the use of the Ski Cables. Pulling the handles to ski not only gets you fit, but it also supplies all the power needed to run the console and charge its batteries. No power cable needed with this very green and energy efficient solution. Ergonomic Handles The ergonomically designed handles are strapless with a lip at the bottom to provide a secure, non slip grip. Built to Last The commercial quality main frame is constructed with thick, high tensile steel and a thick handle bar tube to withstand the toughest workout environments. Black powdercoat finish with red trim delivers a powerful look to complement it's powerful performance.