Heavy-Duty 14 x 2.125 Electric Scooter Tire & Tube Set - 57-254 Replacement Tire with Angled Valve Stem for E-Bikes & Electric Scooters (1 Set) Product Description: Upgrade your electric scooter or e-bike with this premium 14" x 2.125 tire and tube replacement set. Engineered for durability and performance, this heavy-duty tire features the exact 57-254 sizing needed for perfect fitment on compatible models including Jetson Bolt Pro and J5 electric bikes. The included angled valve stem ensures easy inflation and proper positioning, especially for rear tire applications. Manufactured from high-quality rubber compounds, these tires deliver exceptional longevity that outlasts many OEM alternatives. Whether you're commuting daily or enjoying weekend rides, this tire and tube set provides the reliability and smooth performance you need. Important Note: This is a complete set including both tire and inner tube. Please verify your current tire markings 14 x 2.125 (57-254) to ensure proper fitment before ordering.