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A photorealistic image of a gray electric mountain bike with a large matte black battery pack, controller box, and rear hub motor, against a white background.

A photorealistic image of a gray electric mountain bike with a large matte black battery pack, controller box, and rear hub motor, against a white background.

Keep the Cannondale Trail Neo 4 bike photo exactly the same, do not redraw or change the frame, wheels, paint, background, or lighting. Add only three items as overlays: 1. 72V hardcase battery: matte black rectangular pack with slightly rounded edges, mounted inside the front triangle of the frame, parallel to the downtube. Size should fill most of the triangle but not touch the tubes. Subtle highlight to match lighting, soft shadow against frame. 2. Controller box: compact matte black rectangular aluminium box mounted under the downtube near the bottom bracket. About one-third the size of the battery. Add small bolts to look securely mounted. Subtle shadow consistent with the photo. 3. Rear hub motor: replace the rear wheel hub only with a large matte black hub motor casing. Keep spokes, rim, tire, cassette, and disc brake unchanged and visible. Hub motor diameter should be about twice the current hub size, clean and flush with spokes. Do not add wiring, throttle, logos, or any other modifications. Only battery, controller, and rear hub motor See more