The Summit is our top-of-the-line model with 8 gears, perfect for striding anywhere, from the urban commute to the open road, even with the steepest hills. ABOUT SUMMIT 8r The StreetStrider Summit 8r, our most popular model, comes in three rich colors: Galaxy Black, Breakwater Blue and Solar Yellow. The Summit 8r features the Shimano Nexus 8-speed transmission, and with the twist grip shifter, you can easily select the most comfortable gear wherever you stride. You can even climb the steepest hills. The 90 mm dual front drum brakes and rear caliper brake provide exceptional stopping power. The frame is constructed with aircraft grade aluminum and is incredibly strong, supporting riders up to 400 pounds. THE NEW WAY TO EXERCISE The StreetStrider, the world's first indoor/outdoor elliptical cross trainer, will change the way you exercise forever! You will actually look forward to your workouts! The StreetStrider gives you the combined benefits of jogging, skiing and cycling, but without the physical stress on your body. In just minutes a day, you get an exhilarating low impact workout that tones, shapes and sculpts your entire body while burning up to 1,000 calories an hour. The American Council on Exercise says "the StreetStrider is one exercise product that lives up to it's billing". LEAN-TO-STEER The 3-wheel design is safe, stable and simple to balance while striding. The intuitive lean-to-steer system works with the body's natural movements to provide complete control while also engaging your core muscles, something that stationary indoor ellipticals cannot do. Carving down the street is a blast, and your core is gets an intense workout the entire time. People describe StreetStriding as skiing down the street and running on air. USE THE SUMMIT 8r INDOORS The StreetStrider Universal Trainer Stand allows you to transform your Summit 8r into an indoor elliptical machine in just seconds. With up to 8 different resistance levels.