FULL steel material frame,highly durable and long using life Rear Dropout 175mm, fit for 20 24,26 inch bicycle wheel as well as 19,21 inch motorcycle wheel Fit for 4.0inch wide bicycle tire Easy to assembly, with everything needed for complete frame Lightweight yet Durable: Crafted with high-strength materials for a balance of weight and resilience. The steel frame which is inevitable for rust for un-painting surface,like front head tube. And the welding steam is not perfect,as it's hand work not by machine welding Please DO NOT buy if you pursuing perfection products. Ergonomic Geometry: Designed with an optimized riding position for maximum comfort and control. With up to 62mm strong rear fork arm for very durable usage. The maximum battery dimensions is:320x210x135mm as picture,your battery can not bigger than that will not fit in otherwise. Unleash your adrenaline rush with the Stealth Bomber Electric Bike Frame for E-Motorcycle Enduro Ebike. This rugged frame is engineered for off-road adventures, combining the thrill of motorcycling with the convenience of electric power. Crafted from high-strength materials, it offers exceptional durability and stability, ensuring a smooth and controlled ride on challenging terrains. With its sleek design and aerodynamic profile, the Stealth Bomber frame delivers impressive speed and agility. Customize your electric motorcycle with this versatile frame and experience the ultimate fusion of performance and sustainability. Conquer the trails and leave a minimal environmental footprint with this cutting-edge e-bike frame. Unleash your adventurous spirit and embrace the future of off-road riding.