Description
Q: How can I determine if I received the correct size seat tube? A: The size is engraved on the bottom of the seat tube, you need to look at it under sufficient light. Q: How do I know what size seat tube I need to buy? A: Please check our last picture (the seventh), which contains information on how to measure the size of the seat tube. Q:What you need to pay special attention? A:the size between 30.9mm and 31.6mm difference is not big, but if it is different from your bicycle size, it still cannot be used normally, so please measure before buying! ! If it is measured that your seat tube is 30.9mm, please do not buy a 27.2mm or 31.6mm seat tube, because it will not be suitable Feature: ♫ aluminium alloy 6061(tube part) ♫ Anti-corrosion ♫ anti-oxidation ♫ Suitable for most road bike, fixed gear bicycle, mountain bikes,downhill bike, track bike, MTB, BMX, DH, etc Total length: 350mm(13.78 in) Outside Diameter and Weight : ♫ 27.2mm(1.07 in)-> 280g(0.61 lb) ♫ 30.9mm(1.22 in)-> 290g(0.64 lb) ♫ 31.6mm(1.24 in)-> 300g(0.66 lb) Package:1*seatpost(with stall srews) Note:Please measure you bike ,and choose the right outside diameter.