For Most Road Bike Stems, Mtb Stems, Bmx Stems, And Bicycle Stems, Use The Cysky Product Details Handlebar diameter 31.8mm (1-1/4"), Front fork stem diameter 28.6mm (1-1/8") Length: 45mm, Weight: 140g (0.31lb), Angle: 0 degree, This bicycle stem is Lightweight and sturdy, Reduce weight while maintaining strength Bike handlebar stem constructed of precision 3D Forged aluminum alloy, CNC process no paint loss, easy to clean, sturdy and durable, not easy to deform and rust Easy to install stem, just connect up the front fork stem, four bolt bar clamp holds bar securely in position, After installing, feel at ease and won?t tire out arms/shoulders/back The short handlebar stem, Suitable for most road bikes, mountain bikes, downhill bikes, track bikes, MTB, BMX, DH and so on. Perfect for modifying, DIY and upgrading your bike. Good replacement for your mountain bike Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.