<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><div style="font-size:18px;">The Rear Derailleur Pulley for Bike ensures a silent and smooth performance, ideal for road biking and daily commuting. Designed with high-precision engineering, it provides wear-resistant durability, making it a dependable replacement part for maintenance and care. The quick-release feature simplifies upgrades and repairs, while the guide roller enhances cycling efficiency. Suitable for men, women, adults, beginners, and professionals, it is a must-have accessory for touring, travel, and all biking activities.<br /><br /><br /><strong><span style="color:black;">Specifications:</span></strong><br />Product name: Bicycle guide wheel<br />Product size:<br />Diameter:<br />11T: about 44mm/1.73inches<br />12T: about 49mm/1.93inches<br />13T: about 53mm/2.09inches<br />14T: about 58mm/2.28inches<br />Material: ABS/nylon fiber/POM<br />Applicable: mountain bike/road bike/bike<br /><strong><span style="color:black;">Specifications:</span></strong> 11T/12T/13T/14T<br />Weight: 12g for 11T 12.5g for 12T 13g for 13T 13.4g for 14T<br />Color: black<br /><br /><strong><span style="color:black;">Packing List:</span></strong><br />1* Rear Derailleur Pulley for Bike<br />1* Aluminum alloy cover<br /><br /><strong><span style="color:black;">Note:</span></strong><br />Due to different lighting and screen settings, the item color may be slightly different from the picture.<br />Due to different manual measurements, please allow a 1-2cm difference in size.<br /><br />See more product details<br /><br /><br />1.Perfect Wear Resistant: The derailleur pulley is built to last using strong, high-strength material that reduces friction loss, enhances durability, and extends service life without adding extra weight <br /><br />2.Sturdy Performance Assurance: Double protection design combined with sealed bearings prevents sand and water entry, significantly improving durability <br /><br />3.Smooth Silent Design: With an optimized tooth configuration, the derailleur pulley minimizes operatingal noise, ensuring a silent and comfortable ride that supports uninterrupted cycling enjoyment while maintaining efficient chain functionality <br /><br />4.Convenient Mounting: Featuring a standardized interface, this rear derailleur pulley fits most bikes, allowing for swift replacement and easy setup to modernize maintenance tasks <br /><br />5.Wide Application Scope: Smooth and stable gear shifting ensures precise performance, while being widely adaptable for multiple bike models, and specifications <br /><br /></div></div></div>