Alpcour Replacement Skewer ? Quick Release Rear Wheel Axel Skewer For Road Product Details KEEP YOUR STATIONARY BIKE SAFE ? This Alpcour skewer will be your bike trainer?s new best friend! This product perfectly and compactly fits on your bike?s rear wheel axel keeping you upright and steady while riding the bike, avoiding tipping and toppling. HASSLE FREE SETUP ? manufactured as a rear wheel replacement skewer which saves you time and effort from disassembling and reassembling. You can easily install and remove it anytime you want! FOR BEGINNERS and PROFESSIONAL BIKERS - The Alpcour rear axel skewer has a quick release feature so it?s easy to lock into place. Even beginners will be able to set up their bike trainers with ease! It tightens firmly and securely so it can withstand hard trainings for professionals without breaking. COMPATIBILITY ? This skewer is universally compatible with most bike trainers. But for best fit and compatibility, use it with Alpcour bike trainer stands. Fits with rear axels with diameter of 4.92?-6.57?. LONG LASTING AND STURDY MATERIAL ? Made with highest quality Alloy which is known for its high levels of hardness, sturdiness, and corrosion-resistance. This top notch bike trainer skewer will last for a long time without needing replacement. It is ideal for any weather or climate, and perfect for Road and Mountain bikes! 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.