City bicycles, trekking bicycles

All terrain bicycles ATB includes the city, touring, trekking type bikes. City type bikes are designed to ride in the city and often have not so much gears and are equipped with carriers, front and rear lights or reflectors. Touring- trekking bikes is slightly longer than the city-type bikes, but the seating is not severely bent. Perfect for long journeys. These bikes have more gears and are equipped with racks and front and rear lamps or reflectors. All terrain type bike frame size is selected according to the rider's height and leg length.Bicycle frame size calculator you can find here: http://www.velostreet.com/articles/bicycle-size-calculator.127/