Note: The bike rear derailleur is direct mount

and electrical insulation

The internal thread has high precision

It provides a protective layer between the outer tire and the inner tube

inner tube for lankeleisi electric bike EU E-bike Note: The bike rear derailleurImages are for reference only; the actual product may vary. We will ship the appropriate accessory model based on the e bike model you select. Made of premium butyl rubber. It has the advantages of good sealing performance, ozone resistance, aging resistance, shock absorption, and electrical insulation. Replacement tires ensure better shock absorption and enhance the riding experience. Your safety and comfort is our primary concern. *Note: When