Note:If the product encounters any quality issues or problems after use, please contact us as soon as possible. Please do not disassemble the product. After disassembling the product, we will not provide repair or after-sales service. Thank you for your support!! Note : This seat post, with a size of 31.6 - 395mm, is suitable for adults weighing over 90 kg. 1) Y ou maybe need to pay the additional charges of VAT or customs duties in your country , because items delivered from outside the European Union . If your order under 150 euros , AliExpress is obliged by law to collect VAT, you will see the VAT inclusive price at checkout. For more information about these costs, please contact the tax and customs authorities in your country. Item Details: KS EXA FORM 900i , we have brand authorization and 100% authenticity guarantee. 900i is a model of adjustable seatpost which is internal cable. The hook at the end of the seatpost is very precise， you only can plug it with the correct bolts, don't use any tool to plug! If you have any question , please contact with us first! Thank you so much!

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