The document discusses e-bike Fiber Road Inc.'s new project focusing on BLDC motors, digital controllers, and lithium batteries to maximize drive performance. Key features include a BLDC motor with higher torque and efficiency, an IGBT digital controller for improved performance and scalability, and lithium-ion or lithium iron phosphate batteries for increased charging cycles and lighter weight. The project aims to develop smart e-bikes and electric vehicles with long drive distances, high payloads, and personalized driver systems.

1. e-bike Fiber Road Inc.

2. Project VM 1. Introduction 2. BLDC Motor 2. Controller 3. Battery New Performance 1. Smart Driving Control 2. Long Drive Distance 2. Heavy Weight on Board

3. | Corporate Identity Value - The paradigm of human-centric - Space-time of the Revolution - Convergence and Integration in industrial tow Technology - Power Brain - Low-carbon, high-efficiency -GT + IT + CT + Services Innovation - Eco friendly means of transportation -Wellbeing lifestyle - Smart grid

4. | Business Domain Smart Bike NEV/Recreational EV SW/Service Controller -E-bike -Smart bike kits -E-Scooter -Tricycle NEV -Electric car (Public welfare NEV ) -Recreational EV (Park, Kids, Rail EV) -Real time EVMS (Vehicle management -LBS based EVIS (Local tourist information) -Personalized Driver System -IGBT -BMS (Battery Management System )

5. e- bike | New Technologies USB Charge System Digital Control Electric Semiconductor (IGBT) Power & Smart Battery Maximizing drive performance (Advanced BLCD motor applied ) Motor of designs using the wheel hub space. Personalized Driver System

6. Maximizing drive performance 1.1. BLDC motor * Technological Merit from VM Motor - Higher Torque, Speed from Lower to High Band. - Easier Electric Driving Maintenance, Make Longer Lifespan of Device, Remarkably Decrease Electronic also Mechanical Noise. - Eliminate Disadvantageous of Conventional Electric Resistance Types in Controlling Method such as Sliding Abrasive Torque, Loose Contact due to Abrasion also Corrosion, Poor Operation. - Possible to Match in Switching Electronic Circuit with Next Generation Semiconductor. - Controlling Efficiently by Smart Response (Improve Efficiency 20-30% to Existing Products)

7. Maximizing drive performance 1.2. BLDC motor System Configuration

8. Maximizing drive performance Motor & Controller Specification – 36V version (VM385 ) Item Voltage Current Torque Revolution Input Power Output Power Efficiency Unit [Vdc] [A] [N.m] [RPM] [W] [W] [%] Max. Eff. Power 36.0 9.8 12.0 221 352.8 277.8 78.8 Max. Power 36.0 13.7 21.5 160 491.9 360.4 73.3

9. Maximizing drive performance MOTOR SPECIFICATION Unit Description M O T O R Structure Motor Type - Brushless Geared Motor (Gear Ratio = 8.75:1) Rotor Type - IPM (8pole) Motor Size [mm] Ø129 * L90 Sensing Type - Hall IC Performance Max. Power [W @V] 360 @36 Stall Torque [N.m @V] 38 @36 Environment Operating Temp. [℃] -30 ~ 120 Not in use Temp. [℃] -40 ~ 150 IP Protection - IP65 LOAD CHARACTERISTICS Nominal Voltage [V] Output Power [W] Speed Torque [N.m] Cur. [A] Eff. [%] Application (Wheel size) [rpm] [km/h] Rating Spec. 36.0 177.4 242 23.1 7.0 6.4 76.8 20”~22” 36.0 254.5 225 25.8 10.8 9.0 78.5 24” 36.0 277.8 221 27.0 12.0 9.8 78.8 26”

10. Maximizing drive performance CHECKING DIMENSION MOTOR Drawing

11. Digital Control * Major Benefit from Adapting IGBT Digital Controlling Chip ( There are 2 major types of Controlling Technologies, One is Analog Types in using Variable Resistance, Another is that Digital Controlling Types in using IGBT Semi-conductor Chip ) - Adapting Semi-conductor Chip (IGBT) type of Controlling Brains - Improve 20%-30% of Performance Efficiency with BLDC Motor - Smart Response - Less Electric Consumption, Reduce 50% of Heat Emittance. - Scalability to the next ICT (Information Convergence Technology) Application as LBS (Location Based Service), AR (Augmented Reality) USB Charging. 2.1. Controller

12. Digital Control 2.2. Controller CONTROLLER SPECIFICATION Functions Description Remark Operating Voltage[V] 31.5 ~ 42.0 Current Limit[A] Available (14.5±5%) Hardware limit Low Voltage Control Off[V] 31.5 Speed Control Input Voltage[V] 0.8 ~ 4.3 3 PIN Control Mode PWM PWM Control & Soft Start IP Protection IP54 Short Circuit Protection To be applied Size (mm) 32 * 58 *89

13. Power & Smart Battery 3. Battery

14. Power & Smart Battery 3.1.Li-ion Battery ( Sam Sung SDI )

15. Power & Smart Battery ITEMS / Calculated Cycle Life DOD100% / > 1,400cycles(Full Discharge) DOD 80% / > 2,500cycles(Partial Discharge) DOD 20% / > 11,500cycles(Shallow Discharge) Criteria : Until 80% of Initial Discharge Capacity ( Based on Real Test ) - Description : Fitting function : DOD80% : y = -(0.98E-7)x2-(5.46E-3) x +100 : Fitting function: DOD20% : y = -(1.697E-3)x +100.07 ( Expected Cycle Times ) 3.2. Battery Option # Option 1 - Li-Polymer Battery

16. Power & Smart Battery Characteristics of Cycle Life based on 100% to 80%-20% Depth of Discharge (DOD) 3.2. Battery Option # Option 1 - Li-Polymer Battery

17. Power & Smart Battery 3.3.. Battery Option # Option 2 - Li-FePO4 Battery Major Benefit - Increasing Charging Occasion 2,000 times - Elongate Battery Cycle up to 80% until 2,000 times of Charge - Lighter 60% to Ni- MH Battery

18. e-bike | New Performance Smart e bike | The finest well-being bike Battery Maximum distance Weight on board Maximum speed Control device Price VM Competitors LiMn04 battery (*some products excluded) Under 50km (PAS) Under 100kg 25km/h~27km/h (speed limit unadjustable) Physical torque detectable PAS $1,200 - $3,500 LifePo4 battery (*some products excluded) MTB, CITY: 90km (PAS) MINIVELO: 80km (PAS) MTB, CITY: 125kg MINIVELO: under 90kg 25km/h or 35km/h (speed limit adjustable) Optical electron PAS, electric semiconductor adopted Approx. 60-80% pricing level among its competitors Weight on board Max drive distance Performance VM Competitors

19. Heavy Weight on Board Heavy Weight on Board - Frame | High-carbon steel or Alloy aluminum - Brake | Alloy aluminum disc brake or roller brake - Derailleur | Japanese Shimano product