2026 WHEELTOP EDS TX Wireless Electronic Road Bike Groupset 2x7-14 Speed Big Pulley Rear Derailleur Disc/Rim Brake Kit

 : We strictly control product quality to ensure stable performance and safe use. Our store design and product styles have been copied by many peers. Please confirm our flagship store to ensure you get genuine quality goods and standard after-sales service. Thank you! .product-description { position: relative; max-width: 944px; overflow: hidden; } .product-description span { max-width: 100%; word-break: break-word; } .product-description img { max-width: 100%; vertical-align: middle; } .product-description p { margin: 0; line-height: inherit; } .product-description pre { white-space: pre; white-space: pre-wrap; word-wrap: break-word; } .product-description .video-container-detail { justify-content: center; align-items: center; } .product-description div { -sizing: content-; } .product-description ul { list-style-type: disc; } .product-description ol { list-style-type: decimal; } .product-description ul, .product-description ol { margin-block-start: 1em; margin-block-end: 1em; margin-inline-start: 0px; margin-inline-end: 0px; padding-inline-start: 40px; } 7800 Large Pulley2x14 Speed, Iridescent ColorThe upper guide sprocket adopts 12T high-quality bearing pulley.Equipped with an eccentric mechanism to accurately align the vertical centerline with the flywheel, ensuring efficient, stable and reliable shifting.Ceramic Pulley Weight: 104±5gSuper Pressure Resistance: Axial pressure up to 490N, stable support, fearless of heavy-duty challenges!Max Rotation Speed: 6 revolutions per second, smooth transmission, doubled efficiency!Strong Load Capacity: 10kg/cm high load-bearing, long-lasting durability, more reliable operationHigh Temperature Resistance: Stable operation at 170°C, adapting to harsh working conditions!