Bicycle accessories seat tube

Wholesale bicycle  parts suppliers the seat tube is simply the bottom of the frame underneath the frame. Bicycle accessories seat tube is divided into three types: common seat tube, adjustable seat tube, and shock absorber seat, different models used by the seat pipe diameter is also different.
Bicycle accessories The diameter of the seat pipe is mainly determined by the diameter of the riser frame of the bicycle frame. The different diameter of the seat pipe is usually equipped with the corresponding size of the seat clamp, for lower strength riding environment models will use relatively small diameter Of the seat tube. Common pipe diameter specifications mainly by the 27.2mm, 28.6mm, 30.9mm, 31.6mm, and 34.9mm; seat length specifications mainly by the 300mm, 330mm, 350mm, 580mm, and 600mm and so on.
Ordinary seat tube structure is simple, cost-effective, is the most common seat tube, from the material to see there are divided into steel, aluminum and carbon fiber material. Steel seat tube generally lower prices, shock absorption performance is better, but also relatively heavy. Aluminum alloy seat tube is moderate, the weight is slightly lighter, but the comfort is better than steel seat tube is good. Carbon fiber material seat tube light quality, good comfort, but the price is higher.
In addition to the simplest common seat tube, there are currently some functional seating for a particular use environment. Respectively, for the AM models of wire-controlled seat tube, as well as for long-distance travel and other uses of the shock absorber seat, usually in weight and price are higher than the ordinary seat tube.