MyVelo – Your digital bike with a 4-year warranty, 27.5-inch wheel size, adjustable seating position, adjustable stem, suspended seat post, Ergon grips, powerful LED lights, Bosch Powertube 600 Wh (25 km/h), Bosch Powertube 800 Wh (25 km/h), all components included. For more information, please refer to our website.