<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><br /> <div> <br /> </div> <p> </p> <p> <p> <span style="color:black;font-family:inherit;font-size:12px;">11T 13T Aluminum Alloy MTB Bicycle Rear Derailleur Jockey Wheel Bearing Pulley Bike Guide Roller Idler Mountain Bike Accessories</span> </p> <p> <strong>Feature:</strong> </p> <p> <strong>1. Long-lasting Performance:</strong> Crafted from high-quality aluminum alloy and meticulously CNC processed, the rear derailleur pulley is built to withstand extensive use over time. Its construction ensures reliable performance even in demanding cycling conditions.<br /> <strong>2. Enhanced Chain Retention:</strong> The deepened tooth grooves on the bearing pulley significantly reduce chain drop occurrences, offering a more secure and uninterrupted riding experience. With improved chain retention, shifting becomes smoother, and chain engagement becomes more stable.<br /> <strong>3. Precise Shifting:</strong> The bicycle guide wheel pulley's design and construction contribute to improved gear shifting precision. It ensures that gear changes are executed effortlessly and accurately, resulting in a seamless and efficient cycling experience.<br /> <strong>4. Universal Compatibility: </strong>This bike derailleur pulley is designed to be compatible with the majority of rear derailleurs available on the market. It provides an easy and hassle-free upgrade or replacement option, ensuring compatibility with a wide range of bike models.<br /> <strong>5. Smooth Chain Engagement:</strong> The bike guide roller idler guarantees smooth and consistent chain engagement. This not only enhances the overall performance of the drivetrain but also minimizes chain-related issues for a more enjoyable and trouble-free ride. </p><br/><br/><strong>Specification:</strong><br /> Origin: Mainland China<br /> Main body material: 7075 aluminum alloy main body + steel bearing<br /> Specifications: 11T/13T<br /> Product packaging size: about 91x68x9mm<br /> Product net weight: about 10g/11g<br /> Diameter of middle hole: 6mm<br /> The inner diameter of the two reducing sleeves: one with an inner diameter of 5mm, and the other with an inner diameter of 4mm (generally, one reducer sleeve is installed in the guide wheel by default)<br /> Applicable: Compatible with most rear derailleurs on the market<br /> <br /> Guide wheel selection principle:<br /> 1. It is preferred to use the same size as the original guide wheel; if there is no same, you can choose a smaller than the original guide wheel, but you cannot choose a larger one;<br /> 2. There is no distinction between the guide wheel and the tension wheel, but the size of the original guide wheel and the tension wheel of some rear derailleurs are different, and they can also be replaced with the same size, and the length of the chain needs to be readjusted.<br /> <br /> <strong>Note:</strong><br /> Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!<br /> Please allow 1-2cm measuring deviation due to manual measurement.&nbsp; </p> <p> </p> <p> </p> <p style="text-align:center;"> 1 x Rear Derailleur Pulley<br /> 2 x Reducing Sleeve (generally a reducing sleeve is installed in the guide wheel by default)<span id="__kindeditor_bookmark_start_220__"></span>&nbsp; </p> <p style="text-align:center;"> </p> <div> </div> <p> </p> <p> </p> <p> 1.&nbsp;WORLDWIDE SHIPPING.&nbsp;(Except some countries and APO/FPO) </p> 2. Orders processed timely after the payment verification.<br /> 3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.<br /> 4. The images shown are not the actual item and are for your reference only.<br /> 5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit time may vary, particularly during the holiday season.<br /> 6. If you have not received your orderafter 30 days from payment, please contact us. We will trace your order and get back to you asap. Our goal is customer satisfaction! <p> </p> <p> <br /> </p> <p> </p> <p> 1. 12 months Manufacturer’s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty. </p> 2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH ANEXPIRED WARRANTY.<br /> <p> </p> <p> We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. If the product has any questions pls contact us BEFORE you give us neutral or negative feedback, so that we can perform up your satisfaction.<br /> It is impossible to address issues if we do not know about them! </p> <p> <br /> </p> <p> </p> <div style="text-align:center;"> <br /> </div> <p> <br /> </p></div></div>