Local bike shop bike shops have begun themselves to sell products online. A recent development is the introduction of brand specific stores from bicycle manufacturers such as Trek Bicycle Corporation. Other manufacturers, such as Specialized are strengthening their channels with "concept stores". According to the National Bicycle Dealers Association, in 2007 there were approximately 4,400 "specialty bicycle retailers" in the USA; down from 4,800 in 2005. Although they sold only 17% of the bikes, up from 16% in 2005, they collected 49% of the dollars, up from 47% in 2005. In 2004, the average specialty bicycle retailer had gross sales of $550,000 per
Mountain bike full XC and All-Mountain bikes. Examples include the Giant Trance, the Trek Fuel EX series, and the Specialized Stumpjumper FSR, among many others. With less of an emphasis on weight, trail bikes are typically built to handle rougher terrain than dedicated XC bikes while having slacker head angles (68-69°) which provide greater stability while descending. Trail bikes are designed for approximately 60-70% uphill, and 30-40% downhill riding. Enduro/all-mountain (AM) bikes bridge the gap between cross-country and freeride bikes, such as the Trek Remedy and Specialized Enduro series, typically weighing between . These bikes tend to feature greater suspension travel, frequently