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Product Manual
MRT-A250
Original Instruction
Version 220818
Copyright © 2022 HYENA INC. All Right Reserved.

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Summary of Contents for Hyena MRT-A250

  • Page 1 Product Manual MRT-A250 Original Instruction Version 220818 Copyright © 2022 HYENA INC. All Right Reserved.
  • Page 2: Table Of Contents

    Connection ......................5 Certification ......................5 Mounting Tool List ......................... 6 Accessory List ...................... 6 Mounting Instructions ..................7 Safety Instructions Important Notice ....................9 Moving and Storage Instructions ..............9 Maintenance ......................9 Disposal ........................ 9 HYENA E-BIKE SYSTEMS...
  • Page 3: Introduction

    Save this manual for future reference. Product Features Product Description The MRT-A250 rear hub motor provides power for the e-bike. In addition, it features an excellent torque/weight ratio, compact size, and is maintenance-free. Parts Description...
  • Page 4: Product Dimension

    Product Dimension PN: 56R034, 56R037 (O.L.D. 120mm) Item Dimension +0.2 18xΦ3.2 (PCD=128) Φ141.0 Φ33 -0.15 15±0.5 23.5±1 120±1 181±2 (WL) 220±10 Φ10 Unit: mm HYENA E-BIKE SYSTEMS...
  • Page 5 PN: 56R009, 40010M21B, 40010M21C (O.L.D 135mm) Item Dimension +0.2 18xΦ3.2 (PCD=128) Φ141.0 Φ33 +0.2 -0.15 11.3±0.4 38.7±0.6 135±1 195±2 (WL) 180 Φ10 Unit: mm HYENA E-BIKE SYSTEMS...
  • Page 6: Technical Data

    Weight 2.7 kg (5.95 lb) Waterproof level IPX4 Hall sensor Speed sensor 1 Magnet Temperature sensor Characteristic Protocol Control type Sine wave Reduction ratio 1:5.2 Operating temperature -10℃~+40℃ 80%RH Storage temperature -20℃~+70℃ 80%RH ≥ 50 MΩ Insulation HYENA E-BIKE SYSTEMS...
  • Page 7: Mounting Parameter

    Drive side Cable outlet PN. 56R009, Cable =180mm PN. 56R034, Cable = 220mm PN. 56R037, Cable = 220mm Cable length 180mm or 220 mm PN. 40010M21B, Cable=180mm PN. 40010M21C, Cable=180mm JL-F-Z910AG Standard connector Connection Certification EN 15194:2017 RoHS HYENA E-BIKE SYSTEMS...
  • Page 8: Mounting

    Accessory List Flange nut (2 pcs) Torque washer (2 pcs) Nut cap (2 pcs) M12xP1.25xt10mm OD20XID12xW10xt4 OD26xID17.5x29mm Plastic gasket (1 pc) Button head socket screw (attached on the motor) (6 pcs) (attached on the motor) OD56xID34xt2mm M5x7mm HYENA E-BIKE SYSTEMS...
  • Page 9: Mounting Instructions

    The bike image in the manual may be different from the actual bike, but will be enough to help you understand related instructions. Exploded View of Assembly Installation STEP STEP Install and fasten the threaded freewheel (right side). Remove the screws and plastic gasket from the motor (left side). HYENA E-BIKE SYSTEMS...
  • Page 10 Insert the torque washer through the motor shaft (washer bulge aligns with the flat side of the shaft). STEP STEP Install the motor (rear wheel). Insert the flat washer and fasten the hex nut then install the nut caps. STEP Complete the installation. HYENA E-BIKE SYSTEMS...
  • Page 11: Safety Instructions

    • Do NOT clean the product or any e-system component • All the component leads shall use original Hyena with any detergent or organic solvent. Only clean the components.
  • Page 12 Hyena Inc. Tel: +886 4 23598810 Fax: +886 4 23598610 www.hyena-ebike.com Address: No.25, Jingke N. Rd., Nantun Dist., Taichung City 408, Taiwan (R.O.C.) HYENA E-BIKE SYSTEMS...

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