2A33E-EB04Electric Bicycle

The text and logo of 5TH WHEEL are trademarks or registered trademarks of enterprises affiliated with Invanti. Other company, product or service names mentioned may be trademarks or registered trademarks of their respective owners. The illustrations and function descriptions in this user manual are for illustration purposes and reference only, and the products are subject to the real product. The mentioned technical performance indicators are based on the specific experimental environment, and the actual indicators may vary depending on the setting and environment. This product needs to be used with mobile phones or other smart devices. The realization of all functions of this product requires network support, with the network fee being subject to the supplier’s service rate. This product is only used to assist safety management and cannot replace other safety measures. Do not use this product for any illegal purpose. Some services are provided and supported by third parties, which may change at any time. Invanti does not provide any guarantee for third-party services. Please read the terms of the third-party service and privacy policy carefully before use. 5TH WHEEL Electric Bicycle Manual The picture is for reference only. Before using the product, please read this manual. V1.0 IMPORTANT! Read carefully and keep for future reference. Model NO.EB04 Original Instructions Scan the QR code to download the App. © 2023 Invanti (Beijing) Technology Co., Ltd all rights reserved. Catalogue Welcome Thanks for choosing the 5TH WHEEL Electric Bicycle, and experiencing the pleasure brought to you by travel and fitness. Shall ride legally in accordance with the local laws and regulations in case of any special local laws and regulations. 1 1. Products & Accessories 2. Precautions for Use 3. Product Description 4. Operation & Use 5. Electrical Schematic Diagram 6. Technical Parameters 7. Instrument Operation 8. Introduction to APP Operation 9. About Battery 10. About Charging 11. Check before Use 12. Use & Maintenance of Controller and Motor 13. Troubleshooting 14. Maintenance & Repair 15. Authentication 2 3 4 5 7 8 9 11 13 15 16 19 20 21 22 ENENEN E-bike body Accessories 1. Products & Accessories 2 3 Please carefully check whether all items in the box are complete and intact. 2. Precautions for Use Product name: 5TH WHEEL Electric Bicycle Model: EB04 CMIITID: 2021DP13705 Implementation standard: UL2849:2020 Wireless Frequency Range: 2402~2480MHz Maximum output power: 2dBm Obey traffic regulations and traffic safety. • Persons under the age of 16 are prohibited to to ride E-bike on the road; • Ride E-bike in the non-motorized vehicle lane, with the maximum velocity of not exceeding 15km/h; Ride E-bike on the right side of the roadway in case of no non-motorized vehicle lane; • Do not lend the E-bike to persons who cannot ride to avoid injury; • Carry people or items with E-bike should in accordance with laws and regulations; •It is recommended to wear a helmet when riding and pay attention to the traffic safety; It is strictly forbidden to hold the handlebar with one hand or ride with both hands away from the handlebar; • Pay attention to slow down when riding in rain or snow, because the braking distance will be extended then; Try to avoid riding in severe weather, such as heavy rain, etc. Safety tips for the use of E-bike • Do not park E-bike in building foyer, evacuation stair, walkway or safety exit; • Do not charge and park E-bike in residential buildings; Keep away from combustibles when charging, and the charging time shall not be too long; • Use and maintain the battery correctly; Used batteries shall not be dismantled without authorization, and shall be recycled by relevant professional department; • Understand the safe use of charger and warning terms; • Replace the charger with those matching the storage battery model; •Do not rinse it with water to avoid the hidden danger of accidents caused by the soaking of internal electronic components and circuits; • When adjusting the handlebar or sear, be careful not to expose the safety line marking of the handlebar stand tube and saddle tube (where applicable). • The A-weighted emissionsound pressure level at the driver ears is less than 70dB(A). • For your safety, do not tamper with other parts of the electric bicycle except the sprocket and non original parts. If any parts are damaged, the best way is to contact the local dealer for after-sales service. Do not use the E-bike in the off-road or other extreme sports scenes since it is not a professional equipment for off-road and extreme sports. ENEN InstructionsPower AdapterDebugging tool The picture is for reference only. Before using the product, please read this manual. 5TH WHEEL Electric Bicycle Manual V1.0 IMPORTANT! Read carefully and keep for future reference. Model No. TDR01Z Original Instructions 3. Product Description 4 5 Electronic instrument Cushion Taillight Motor Rear suspension shock absorption Mobile auxiliary wheel PedalKickstand Ambient light Front reflector Rear reflector Headlight Upright folder Complete E-bike folder Engraving position of E-bike code (under the main beam) Brake crank Front disc brake Rear disc brake Preparation before riding • Check whether the power circuit and lighting are in good conditions; • Check whether the front and rear brakes work normally; • Check whether the handlebar and front and rear wheels are fastened firmly; • Check whether the tire pressure is normal; • Check whether the reflectors are broken or contaminated before riding. 4. Operation & Use Folding of handlebar Installation of pedal • Align the pedals to the pedal crank holes; • Install them with the tool handle. • Push the handle switch upward and open the handle outward; • Flip the handlebar to one side. Front suspension shock absorption ENEN 6 7 5. Electrical Schematic Diagram Motor Buzzer Controller Instrument Electric Break Battery charging port 30A Fuse 10A Fuse Front and rear light…

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(Solowii (Beijing) Technology Development Co., Ltd) (2023‐05‐05) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2A33E‐EB04) [Solowii (Beijing) Technology Development Co., Ltd ] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) Rita He (Solowii (Beijing) Technology Development Co., Ltd) (2023‐05‐05) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2A33E‐EB04) [Solowii (Beijing) Technology Development Co., Ltd ] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Rita He

Solowii (Beijing) Technology Development Co., Ltd Agent Authorization Letter 2023-05-05 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen Most Technology Service Co., Ltd. to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Name: Rita He Position: Product Cartification Company Name: Solowii (Beijing) Technology Development Co., Ltd Address: 2002A,Bldg. 1,Yard 2,Ronghua South Rd.,Beijing Economic and Technological Development Zone,Beijing,100176,China Tel / Fax 0086 010 67864919/0086 010 67864919 E-Mail: [email protected]

Solowii (Beijing) Technology Development Co., Ltd Long Term Confidentiality Request Letter 2023-05-05 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR (FCC ID: 2A33E-EB04) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - e.g. Block diagram - e.g. SCH - e.g. Operational Description required to be submitted with this application be permanently withheld from public review. The above documents are company proprietary information that could never get into the possession of your competition. Please contact me if there is any information you may need. Sincerely, Name: Rita He Position: Product Cartification Company Name: Solowii (Beijing) Technology Development Co., Ltd Address: 2002A,Bldg. 1,Yard 2,Ronghua South Rd.,Beijing Economic and Technological Development Zone,Beijing,100176,China Tel / Fax 0086 010 67864919/0086 010 67864919 E-Mail: [email protected]

Model No.: EB04 FRONT VIEW OF SAMPLE BACK VIEW OF SAMPLE Model No.: EB04 LEFT VIEW OF SAMPLE RIGHT VIEW OF SAMPLE Model No.: EB04 TOP VIEW OF SAMPLE FRONT VIEW OF SAMPLE Model No.: EB04 Overall photo Adapter

Label size:40mm*20mm Label: Produce Model: EB04 Produce Name: Electric Bicycle FCC ID: 2A33E‐EB04 Manufacturer: Solowii(Beijing)Technology Development Co., Ltd. Label location

Model No.: EB04 Page 1 of 2 INTERNAL PHOTO OF SAMPLE INTERNAL PHOTO OF SAMPLE Model No.: EB04 Page 2 of 2 INTERNAL PHOTO OF SAMPLE INTERNAL PHOTO OF SAMPLE PCB Antenna Location

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. RF Exposure Evaluation Report Report Reference No. ..................... : FCC ID.. .......................................... : MTEB23040180-H 2A33E-EB04 Compiled by ( position+printed name+signature) .. : File administrators Alisa Luo Supervised by ( position+printed name+signature) .. : Test Engineer Sunny Deng Approved by ( position+printed name+signature) .. : Manager Yvette Zhou Date of issue ..................................... : April 20,2023 Representative Laboratory Name .: Shenzhen Most Technology Service Co., Ltd. Address ............................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ............................ : Solowii(Beijing)Technology Development Co., Ltd. Address ............................................ : 2002A. Bldg.1, Yard 2, Ronghua South Rd., Beijing Economic and Technological Development Zone, 100176 Beijing, P.R. China Test specification/ Standard ..........: 47 CFR Part 1.1307 47 CFR Part 2.1093 TRF Originator .................................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Electric Bicycle Trade Mark ...........................: N/A Manufacturer .................................... : Solowii(Beijing)Technology Development Co., Ltd. Model/Type reference....................... : EB04 Listed Models .................................. : N/A Modulation Type ............................... : GFSK Operation Frequency ........................ : From 2402MHz to 2480MHz Hardware Version .............................. LYBB1S3V1.0 Software Version ............................... 1.0 Rating ............................................... : DC 42V(by Adapter) DC36V by Battery Result................................................ : PASS Report No.: MTEB23040180-H Page 2 of 5 T E S T R E P O R T Equipment under Test : Electric Bicycle Model /Type : EB04 Listed Models N/A Remark N/A Applicant : Solowii(Beijing)Technology Development Co., Ltd. Address : 2002A. Bldg.1, Yard 2, Ronghua South Rd., Beijing Economic and Technological Development Zone, 100176 Beijing, P.R. China. Manufacturer : Solowii(Beijing)Technology Development Co., Ltd. Address : 2002A. Bldg.1, Yard 2, Ronghua South Rd., Beijing Economic and Technological Development Zone, 100176 Beijing, P.R. China. Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTEB23040180-H Page 3 of 5 1. Revision History Revision Issue Date Revisions Revised By 00 2023.04.20 Initial Issue Alisa Luo Report No.: MTEB23040180-H Page 4 of 5 2. SAR Evaluation 2.1 RF Exposure Compliance Requirement 2.1.1 Standard Requirement According to KDB447498D01 General RF Exposure Guidance v06 4.3.1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Exclusion Threshold condition, listed below, is satisfied. 2.1.2 Limits The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion Report No.: MTEB23040180-H Page 5 of 5 2.1.3 EUT RF Exposure Measurement Data BLE GFSK Test channel Peak Output Power (dBm) Tune up tolerance (dBm) Maximum tune-up Power (dBm) Lowest(2402MHz) -1.342 -1.342±1 -0.342 Middle(2441MHz) -0.700 -0.700±1 0.300 Highest(2480MHz) -0.703 -0.703±1 0.297 Worst case: GFSK Channel Maximum Peak Conducted Output Power (dBm) Maximum tune-up Power Calculated value Exclusion threshold SAR Test Exclusion (dBm) (mW) Highest (2480MHz) 0.300 -0.700 1.071 0.24 3.0 Yes .......................THE END OF REPORT.........................

Antenna d escribe 1. A ntenna describe: Antenna plate Mo noploe antenna Make name/model name LYBB1S3 Antenna gain 0dBi Frequency range 2.4GHZ-2.483GHZ Connector type direct 2.External view drawing: Picture of antenna TOP view PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn Manufacturer Solowii(Beijing)Technology Development Co., Ltd. Address 2002A. Bldg.1, Yard 2, Ronghua South Rd., Beijing Economic and Technological Development Zone, 100176 Beijing, P.R. China. Antenna Radiation Pattern Radiation [email protected] Total Average Gain:-0.475dbi Phi Gain 0 45 90 135 180 235 270 315 -0.1 -0.3 -0.8 -0.5 -0.2 -0.6 -0.8 -0.5 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn Radiation [email protected] Total Average Gain:-0.275dbi Phi Gain 0 45 90 135 180 235 270 315 0 -0.1 -0.3 -0.6 -0.1 -0.2 -0.6 -0.4 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn Radiation [email protected] Total Average Gain:-0.237dbi Phi Gain 0 45 90 135 180 235 270 315 0 -0.1 -0.2 -0.5 0 -0.3 -0.6 -0.2 PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.cn

Shenzhen Most Technology Service Co., Ltd. No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. TEST REPORT FCC Rules Part 15.247 Report Reference No. ................. : FCC ID.. ...................................... : MTEB23040180-R 2A33E-EB04 Compiled by ( position+printed name+signature): File administrators Alisa Luo Supervised by ( position+printed name+signature): Test Engineer Sunny Deng Approved by ( position+printed name+signature): Manager Yvette Zhou Date of issue................................. : April 20,2023 Representative Laboratory Name ..................................................... : Shenzhen Most Technology Service Co., Ltd. Address ........................................ : No.5, 2nd Langshan Road, North District, Hi-tech Industrial Park, Nanshan, Shenzhen, Guangdong, China. Applicant’s name ..................... : Solowii(Beijing)Technology Development Co., Ltd. Address ........................................ : 2002A. Bldg.1, Yard 2, Ronghua South Rd., Beijing Economic and Technological Development Zone, 100176 Beijing, P.R. China Test specification/ Standard ....... : FCC Rules Part 15.247 TRF Originator .............................. : Shenzhen Most Technology Service Co., Ltd. Shenzhen Most Technology Service Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Most Technology Service Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen Most Technology Service Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description .................. : Electric Bicycle Trade Mark ...........................: N/A Manufacturer .................................: Solowii(Beijing)Technology Development Co., Ltd. Model/Type reference ....................: EB04 Listed Models ...............................: N/A Modulation Type ............................: GFSK Operation Frequency .....................: From 2402MHz to 2480MHz Hardware Version ........................... LYBB1S3V1.0 Software Version ............................ 1.0 Rating ............................................: DC 42V(by Adapter) DC36V by Battery Result ............................................: PASS Report No.: MTEB23040180-R Page 2 of 36 T E S T R E P O R T Equipment under Test : Electric Bicycle Model /Type : EB04 Listed Models N/A Remark N/A Applicant : Solowii(Beijing)Technology Development Co., Ltd. Address : 2002A. Bldg.1, Yard 2, Ronghua South Rd., Beijing Economic and Technological Development Zone, 100176 Beijing, P.R. China. Manufacturer : Solowii(Beijing)Technology Development Co., Ltd. Address : 2002A. Bldg.1, Yard 2, Ronghua South Rd., Beijing Economic and Technological Development Zone, 100176 Beijing, P.R. China. Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: MTEB23040180-R Page 3 of 36 Contents 1. REVISION HISTORY ................................................................ 4 2. TEST STANDARDS .................................................................. 5 3. SUMMARY ............................................................................. 6 3.1. General Remarks 6 3.2. Product Description 6 3.3. Equipment Under Test 6 3.4. Short description of the Equipment under Test (EUT) 6 3.5. EUT operation mode 7 3.6. Block Diagram of Test Setup 7 3.7. Test Item (Equipment Under Test) Description* 7 3.8. Auxiliary Equipment (AE) Description 7 3.9. Antenna Information* 8 3.10. EUT configuration 8 3.11. Modifications 8 4. TEST ENVIRONMENT ............................................................... 9 4.1. Address of the test laboratory 9 4.2. Environmental conditions 9 4.3. Test Description 10 4.4. Statement of the measurement uncertainty 10 4.5. Equipments Used during the Test 11 5. TEST CONDITIONS AND RESULTS ............................................ 12 5.1. AC Power Conducted Emission 12 5.2. Radiated Emission 15 5.3. Maximum Peak Output Power 22 5.4. Power Spectral Density 23 5.5. 6dB Bandwidth and 99% Bandwidth 24 5.6. Band Edge Compliance of RF Emission 25 5.7. Spurious RF Conducted Emission 27 5.8. Antenna Requirement 28 6. TEST SETUP PHOTOS OF THE EUT .......................................... 29 7. EXTERNAL AND INTERNAL PHOTOS OF THE EUT ....................... 30 APPENDIX I. Conducted Peak Output Power 31 APPENDIX II. 99% Bandwidth 32 APPENDIX III. 6dB Bandwidth 33 APPENDIX IV. Conducted Out Of Band Emission 34 APPENDIX V. Power Spectral Density 36 Report No.: MTEB23040180-R Page 4 of 36 1. Revision History Revision Issue Date Revisions Revised By 00 2023.04.20 Initial Issue Alisa Luo Report No.: MTEB23040180-R Page 5 of 36 2. TEST STANDARDS The tests were performed according to following standards: The tests were performed according to following standards: FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz. ANSI C63.10:2013 : American National Standard for Testing Unlicensed Wireless Devices Report No.: MTEB23040180-R Page 6 of 36 3. SUMMARY 3.1. General Remarks Date of receipt of test sample : 2023.04.14 Testing commenced on : 2023.04.14 Testing concluded on : 2023.04.19 3.2. Product Description Product Name: Electric Bicycle Model/Type reference: EB04 Power Supply： DC 42V(by Adapter) DC36V by Battery Testing sample ID： MT23040115 Bluetooth : Supported Type: BLE Modulation: GFSK Operation frequency: 2402MHz~2480MHz Channel number: 40 Channel separation: 2MHz Antenna type: PCB antenna Antenna gain: 0dBi 3.3. Equipment Under Test Power supply system utilised Power supply voltage : ○ 230V / 50 H…

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Model No.: EB04 RE TEST SETUP RE TEST SETUP Model No.: EB04 CE TEST SETUP