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This guideline is applicable for the Hyena e-bike system only
MRC-B750
Product Manual
Copyright © 2021 HYENA INC. All Right Reserved.
Version 210309
This manual is intended primarily for the trained technician to install, disassemble, or maintain the e-bike.

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Summary of Contents for Hyena MRC-B750

  • Page 1 This guideline is applicable for the Hyena e-bike system only MRC-B750 Product Manual Copyright © 2021 HYENA INC. All Right Reserved. Version 210309 This manual is intended primarily for the trained technician to install, disassemble, or maintain the e-bike.
  • Page 2: Table Of Contents

    Content Product Features Parts Description Technical Data Function Characteristic Mounting Parameter Certification Mounting Tool List Accessory List Mounting Instructions Safety Instructions Important Notice Moving and Storage Instructions Maintenance Disposal...
  • Page 3: Product Features

    Product Features Product Description MRC-B750 rear hub motor provides power for the e-bike with less maintenance required. It features longer OLD for fat-tire bikes, extra high torque and acceleration for utility and heavy-load bikes. Compatible with 8-10 speed cassette sprocket.
  • Page 4 Product Dimension GND (0.2mm²) V (1.5mm²) HALL W (0.2mm²) SPEED (0.2mm²) W (1.5mm²) U (1.5mm²) +5V PWR (0.2mm²) HALL U (0.2mm²) HALL V (0.2mm²) HYENA E-BIKE SYSTEMS...
  • Page 5: Technical Data

    Rated RPM ≥ 80 % Max. efficiency 4.7 Kg Weight IP54 Waterproof level Hall sensor 1 Magnet Speed sensor Characteristic Protocol Control type Sine wave Reduction ratio Operating temperature -10℃~+50℃80%RH Storage temperature -20℃~+70℃80%RH ≥ 50 MΩ Insulation HYENA E-BIKE SYSTEMS...
  • Page 6: Mounting Parameter

    Spoke hole 36 H Spoke hole type Disk brake BCD 44 mm 6 bolts Brake type Cassette 8-10 speed Derailleur Non-drive side through the shell Cable outlet 200 mm Cable length CM-WP412-09M Standard connector Connection Certification EN15194:2017 RoHS HYENA E-BIKE SYSTEMS...
  • Page 7: Mounting

    2 pcs Button head socket screw M5x7mm 6 pcs (attached on the motor) Plastic gasket OD56xIDx34xt2mm 1 pcs (attached on the motor) Hexagon nut Torque anti-rotation washer M5 button-head hex socket screw Flat washer Flange nut Plastic gasket HYENA E-BIKE SYSTEMS...
  • Page 8: Mounting Instructions

    - The bike image seen 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 1: Install and fasten the cassette sprocket and Step 2: Remove the screws and plastic gasket from the cassette locking ring (right side). motor (left side). HYENA E-BIKE SYSTEMS...
  • Page 9 (washer bulge aligns with the flat side of the shaft). Step 5: Install the motor (rear wheel). Step 6: Insert the flat washer and fasten the hex nut (maximum torque 40 Nm) then install the nut cap. Step 7: Completed. HYENA E-BIKE SYSTEMS...
  • Page 10: Safety Instructions

    • Do not clean the product or any e-system component signs of damage. with any detergent or organic solvent. Only clean the • All the component leads shall use original Hyena product with a water-dampened soft cloth. components. • Do not clean the product or any e-system component •...

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