**Core Components:**

* **Frame:** Lightweight and durable aluminum frame for efficient pedaling and weight management.
* **Wheels:** 26-inch or 28-inch wheels with puncture-resistant tires for reliability.
* **Dual Motors:**
    * **Main Motor:** A powerful Nidec motor (consider NCJ series based on specifications) positioned at the rear hub for efficient propulsion.
    * **Regenerative Motor:** A smaller Nidec motor strategically placed (potentially near the front wheel) designed for maximum energy capture during braking and downhill riding.
* **Battery:**
    * **Primary Battery:** High-capacity lithium-ion battery (consider LiFePO4 batteries for longer lifespan) housed securely within the frame.
    * **Supercapacitors:** High-efficiency supercapacitors (Taiyo Yuden's FEREMO system could be a good option) integrated near the motors to capture and store regenerative energy quickly.

**Energy Efficiency and 100% Reuse:**

* **Regenerative Braking System:** The regenerative motor captures kinetic energy lost during braking and downhills, converting it back into electricity and storing it in the supercapacitors.
* **Supercapacitor Integration:** Supercapacitors can quickly absorb and release energy, making them ideal for capturing and utilizing regenerative energy during frequent stops and starts typical of delivery riding.
* **Primary Battery Support:** The supercapacitors primarily power the bike, reducing reliance on the main battery and extending its lifespan. The main battery acts as a backup for longer stretches or situations where regenerative energy is insufficient.
* **Smart Power Management System:** A microcontroller manages the energy flow between the motors, supercapacitors, and the main battery, optimizing efficiency and maximizing the use of captured regenerative energy.

This is exciting news! It appears a 7-Eleven store has implemented a system that utilizes typhoon power generation and achieved a 150% ZEB (Zero Energy Building) rating. Here's a breakdown of the key points:

**Additional Features for Uber Eats Riders:**

* **Step-Through Frame:** Allows for easy mounting and dismounting, especially while carrying deliveries.
* **Comfortable Saddle and Handlebars:** Ergonomically designed for long rides, considering back and wrist support.
* **Spacious Cargo Area:** A secure and stable rear cargo box or pannier system to carry deliveries.
* **Smartphone Holder with Charging Port:** Easy access to navigation and delivery apps while keeping the phone charged.
* **Kickstand:** Provides stability for loading and unloading deliveries.
* **Safety Features:** Bright LED front and rear lights, reflective accents, and hydraulic disc brakes for superior stopping power in all weather conditions.

**DIY Considerations:**

* **Technical Expertise:** Building this e-bike requires knowledge of electrical systems, motor installation, and battery management. Consider seeking assistance from experienced individuals or professionals if needed.
* **Component Sourcing:** Research and acquire suitable motors, batteries, supercapacitors, and other components based on compatibility and budget.
* **Safety Precautions:** Prioritize safety by using high-quality components, implementing proper wiring practices, and ensuring secure motor and battery installation.

**Overall, this DIY approach aims for a self-sufficient e-bike that maximizes energy efficiency for Uber Eats riders. By combining a dual-motor system with regenerative braking and supercapacitors, the bike can potentially achieve close to 150% energy reuse during typical delivery routes.**

**Remember:** This is a complex project requiring technical knowledge and careful execution. Ensure safety is the top priority throughout the building process.
 

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