i dont ride much and when i do i can ride for a while without breaks but on the slow side riding at 16-17mph, which averages out to 15mph. i ride about once a week and get about 30-40 miles a week. but this summer i would like to ride 50 miles a day for 5 days a week so that i can ride faster so that i can be like those guys that plow right through other riders effortlessly on a high gear.