Rungu Juggernaut1 Owner's Manual
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Rungu Juggernaut1 Owner's Manual

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V2.0
RUNGU Electric Juggernaut Owner Manual – 2019 model year
®
rungu
electric juggernaut
(mid-drive models)
owner manual
1
Congratulations on purchasing a Rungu Electric Juggernaut
! You own the latest generation of the
ultimate electric alternative to a Quad ATV for on-road and off-road fun. Before you ride and make new
tracks, please read the following instructions carefully.
Standard Bearer Machines, LLC (Standard Bearer Machines) thanks you for your purchase!
Electric Juggernaut uses the Bafang BBSHD mid-drive motor with a custom Rungu 52V (nominal voltage)
input that generates more than 1.4kW of mechanical power for off-road use. You access the power by
pedaling ("Pedelec") or pressing the thumb throttle. As a "Pedelec," the Electric Juggernaut senses
when you start to pedal and engages the motor to assist your pedaling - you don't have to use the
throttle if you don't want to. The amount of power assist varies based on the power level you select as
you ride. The Electric Juggernaut has five selectable power levels starting with barely any assist up to full
power, which is intended for use off-road only. The power settings are discussed below.
Note: US Federal Law mandates a 750W/20 MPH limit for riding an e-bike on public roads without a
license. Please check with your local government to ensure you follow all local laws and ordinances.
Standard Bearer Machines are not liable for those who choose not to follow their local laws.
CAUTION: STANDARD BEARER MACHINES WILL NOT BE HELD RESPONSIBLE FOR PEOPLE WHO CHOOSE
TO DISREGARD THE LAW!
WARNING: IMPORTANT- STANDARD BEARER MACHINES WILL NOT BE LIABLE FOR ANY DAMAGE OR
INJURY THAT MAY OCCUR DUE TO OPERATION OF YOUR ELECTRIC JUGGERNAUT. BY USING THE
ELECTRIC JUGGERNAUT, YOU ARE AGREEING TO STANDARD BEARER MACHINES TERMS AND
CONDITIONS AND THE WARNINGS AND CONDITIONS OF THE GENERIC BIKE MANUAL WHICH ARE
INCLUDED WITH OTHER FILES IN THE USB KEY ACCOMPANYING THE ELECTRIC JUGGERNAUT.
1
As the owner, you agree and are bound by all sales and transfer conditions as defined in "SBM Rungu Sales Terms
and Conditions US 2019." Copies of these documents are available on the USB document drive that ships with the
product or upon request by e-mailing sales@riderungu.com.
Copyright 2019 Standard Bearer Machines, LLC
1

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Summary of Contents for Rungu Juggernaut1

  • Page 1 INCLUDED WITH OTHER FILES IN THE USB KEY ACCOMPANYING THE ELECTRIC JUGGERNAUT. As the owner, you agree and are bound by all sales and transfer conditions as defined in “SBM Rungu Sales Terms and Conditions US 2019.” Copies of these documents are available on the USB document drive that ships with the product or upon request by e-mailing sales@riderungu.com.

  • Page 2: Table Of Contents

    Tools required ............................6 Unpacking and Assembly Instructions ...................... 7 Additional Installation Instructions – mud flaps ..................28 Additional Installation Instructions – Rungu Cargo Rack with or without range-extending battery..32 Cautions and Safety ............................ 40 General Cautions and Warnings ......................40 Battery Safety............................
  • Page 3 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Electric Juggernaut Operation Cautions ..................... 70 Riding Safety ............................71 Adjusting the Front Suspension ......................72 Using the parking brake switch ....................... 72 Using the optional 12VDC outlet ......................73 Rungu Electric Juggernaut Maintenance and Care ..................

  • Page 4: Electric Juggernaut Parts Identification

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Electric Juggernaut parts identification The following images show the names of various components on the Electric Juggernaut Figure 1 Left Side View Figure 2 Right Side View Copyright 2019 Standard Bearer Machines, LLC...
  • Page 5 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Figure 3 Steering assembly view Figure 4 Parking Brake View Copyright 2019 Standard Bearer Machines, LLC...

  • Page 6: Unpacking And Assembly Instructions

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Unpacking and Assembly Instructions WARNING: FAILURE TO FOLLOW INSTRUCTIONS MAY LEAD TO INCOMPLETE OR FAULTY ASSEMBLY THAT CAN RESULT IN ACCIDENTAL RIDER INJURY OR DEATH. Before you ride and make new tracks, please follow the assembly instructions carefully. The team at Standard Bearer Machines recommends that you have the assembly performed by a qualified bike mechanic.

  • Page 7: Unpacking And Assembly Instructions

    ASSEMBLE YOUR ELECTRIC JUGGERNAUT. 1. Electric Juggernaut comes in a cardboard carton. After you have removed the binding straps, remove the top cover. If you intend to ship or return your Rungu, please keep all packing materials. 2. If you have purchased a model with a Rungu Cargo Rack (HC+, Overland, Rubicon Trail Edition) or an optional Cargo Rack, remove the rack and place it to one side.
  • Page 8 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 5. Lift the frame and rear wheel from the carton and place the assembly on the floor gently so that it stands upright as it was in the carton. CAUTION: ELECTRIC JUGGERNAUT FRAME AND REAR WHEEL WEIGH 68 LBS (31 KG). USE TWO (2) PEOPLE TO REMOVE THE ELECTRIC JUGGERNAUT FROM THE PACKAGING TO AVOID INJURY 6.
  • Page 9 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 9. Insert the handlebar so that it extends at least 45 mm or 1 ¾” past the inside of the stem. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 10 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 10. Fasten, but do not tighten handlebar retention screws 11. Remove the left handlebar retention screws allowing the left-side linkage arm to move away from the stem Copyright 2019 Standard Bearer Machines, LLC...
  • Page 11 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 12. Place the left-side handle bar such that the display support bridges the stem. Take care to make sure the display and control cables are behind the stem as shown below.
  • Page 12 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 13. Then replace the left-side linkage arm and the handlebar retention screws. Fasten but do not tighten the handlebar retention screws. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 13 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 14. Ensure that the left handlebar extends at least 45 mm or 1 ¾” past the stem. 15. Tighten both sets of handlebar retention screws so that you can still rotate each handlebar and slide the handlebar inside the stem.
  • Page 14 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 17. When you have aligned each handlebar, use a pattern of tightening the upper handlebar retention screw and then bottom screw instead of tightening both top screws and then the bottom screws.
  • Page 15 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 20. Mount the left wheel to the left fork as shown in the two pictures below. Be careful to slide the brake rotor between the disc caliper. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 16 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 21. Mount the right front wheel to the right fork. As with the left wheel, make sure that the brake rotor slides between the brake calipers. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 17 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 22. Unscrew the retention nut from one of the quick-release skewers and remove the associated conical spring. 23. Insert the skewer into the left wheel from the side of the brake disc as shown below.
  • Page 18 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 24. Replace the retention nut and conical spring as shown below. 25. Make sure that the quick release retention nut and lever are seated in the fork dropouts. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 19 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 26. Tighten the retention nut and close the quick-release lever once the wheel is mounted in the fork. As a guideline the retention nut should begin to clamp when the lever points away from the wheel at a right angle.
  • Page 20 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 29. Replace the retention nut and conical spring as shown below. 30. Make sure that the quick release retention nut and lever are seated in the fork dropouts. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 21 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 31. Tighten the retention nut and close the quick-release lever once the wheel is mounted in the fork. As a guideline the retention nut should begin to clamp when the lever points away from the wheel at a right angle.
  • Page 22 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 32. Remove the pedals from the box and install the left pedal first – the left pedal is marked with an “L” as shown below. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 23 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 33. Use your fingers to thread the pedal shaft into the crank arm in a counterclockwise motion – the pedal uses a left-hand thread. For best results, hold the threaded section of the pedal in the crank arm mounting hole and spin the entire crank arm in a clockwise motion as depicted below.
  • Page 24 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 26. Use a 6mm Hex wrench to tighten the pedal. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 25 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 34. Use your fingers to thread the right-side pedal shaft into the right-side crank arm in a clockwise motion. For best results, hold the threaded section of the pedal in the crank arm mounting hole and spin the entire crank arm in a counterclockwise motion as depicted below.
  • Page 26 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 27. Use a 6mm Hex wrench to tighten the pedal. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 27 28. Inflate the Fat Tires between 5 and 10 PSI (34 to 69 KPa) Note: Tire pressure plays a very important role in how you enjoy your Rungu Electric Juggernaut. If you plan to ride mostly on soft ground like sand or snow, use a tire pressure between 5 (34 kPa) and 6 PSI (41 kPa) for best traction and control as well as minimizing tread wear.

  • Page 28: Additional Installation Instructions - Mud Flaps

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Additional Installation Instructions – mud flaps 1. Remove the mud flaps from packaging along with their screws and retention nuts. Remove the retention nut from each screw. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 29 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 2. Align the mounting slot on the first mud flap with the back of the front fork. Install the screw from the front of the fork as shown below. 3. Thread the nut onto the back of the screw behind the mounting slot.
  • Page 30 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 4. Use an adjustable wrench to secure the nut. Use a 5mm hex wrench to continue threading the nut onto the screw Copyright 2019 Standard Bearer Machines, LLC...
  • Page 31 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 6. Before fully tightening the nut, slide the mud flap vertically until the bend in the mud flap rises just above the lip on the back of the fork as shown below.

  • Page 32: Additional Installation Instructions - Rungu Cargo Rack With Or Without Range-Extending Battery

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Additional Installation Instructions – Rungu Cargo Rack with or without range-extending battery. Note: If you have a high bandwidth Internet connection, click here to watch a video of these installation instructions.
  • Page 33 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 2. Place the rack over the rear tire making sure that the tabs at the bottom of the rack are on the outside of the metal rack supports. Metal rack...
  • Page 34 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 3. Align the holes it the tabs at the bottom of the rack with the fastening locations on the tab, and thread the M8 screws and star washers through the tabs and into the rack supports on both sides.
  • Page 35 PINCHING THE WIRE HARNESS BETWEEN THE RACK AND THE LEFT SIDE OF THE FRAME. Note: If you have the standard Rungu Cargo Rack, your rack installation is complete. Continue to step 6 if your Rungu Cargo Rack includes the range-extending battery.
  • Page 36 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 6. Use the zip-ties provided to fasten the wire harness to the rack in at least two places. Keep the grommet above the zip-tie locations. Clip and remove the zip-tie tails after you’ve tightened the zip-ties.
  • Page 37 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 7. Use the keys provided to open the access door to the rear battery and insert the end of the cable harness into the rear battery compartment through the hole provided in the side of the Cargo Rack.
  • Page 38 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 9. From the outside of the rack insert the grommet on the harness so that it covers the entire hole in the battery case and secures the cable harness. Copyright 2019 Standard Bearer Machines, LLC...
  • Page 39 Rungu or options you purchased. First, connect the largest connectors together – this is the connection between the rear battery and the Rungu Battery Link so that the front and rear batteries work together to extend your practical range.

  • Page 40: Cautions And Safety

    For all bicycle riding cautions and warnings, refer to the All Purpose Bicycle Manual available on the Rungu USB document drive that shipped with your Electric Juggernaut. If you cannot find your copy of the All Purpose Bicycle Manual, email support@riderungu.com...

  • Page 41: Battery Safety

    RUNGU Electric Juggernaut Owner Manual – 2019 model year Battery Safety NOTE: If you ever suspect a battery problem, please contact Rungu Support immediately by email or phone so we can go through the appropriate steps/procedures to make sure everything is okay with the battery system.

  • Page 42: Battery Safety Precautions

    Shorted wires or a burnt smell indicate a shorted or failed BMS, stop using Rungu and contact us as soon as possible. If you notice that your battery is swollen, damaged, or smoking contact Rungu Support immediately so we can diagnose the problem and talk you through next steps.

  • Page 43: Battery Safety (In Depth)

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Battery Safety (In Depth) Main reasons a battery packs fail Battery packs can fail when the BMS fails or is over-ridden allowing the following to occur: • Short-circuit • Over-charging – voltage higher than tolerated by cells •...

  • Page 44: Battery Failure Response Procedure

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Battery Failure Response Procedure WARNING: IF THERE IS A FIRE, STAY AWAY FROM THE SMOKE, FUMES AND FLAMES. CONTACT LOCAL FIRE AUTHORITIES TO PUT OUT THE FIRE. • Monitor the temperature from a safe distance using a non-contact thermometer or thermal imager •...

  • Page 45: Operating Electric Juggernaut

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Operating Electric Juggernaut NOTE: Your Electric Juggernaut ships with the batteries partially discharged to allow longer storage. Before riding, fully charge the battery or batteries prior to your first ride.
  • Page 46 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year CAUTION: THE BATTERY HAS PADDING INSIDE OF THE MAIN BATTERY CASE TO MINIMIZE SHOCK AND VIBRATION; TURNING THE KEY MAY REQUIRE THAT YOU OVERCOME THE PRESSURE FROM THIS PADDING. DO NOT REMOVE THE PADDING.
  • Page 47 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Copyright 2019 Standard Bearer Machines, LLC...
  • Page 48 SAFE DISTANCE TO MAKE SURE ALL IS O.K. GIVE US A CALL/EMAIL US IMMEDIATELY IF A BATTERY BEGINS TO PUFF, AND CONTACT RUNGU FOR GUIDANCE ON THE NEXT STEPS. DO NOT ATTEMPT TO USE A BATTERY AFTER IT HAS SWELLED AND EXPANDED OR “PUFFED”...
  • Page 49 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Plug the battery charger into an AC wall outlet using the provided AC cord. WARNING: DO NOT LEAVE CHARGER PLUGGED INTO WALL AFTER CHARGING – THIS MAY DAMAGE THE BATTERY CHARGER. UNPLUG OR OTHERWISE DISCONNECT THE CHARGER FROM AC POWER WHEN IT IS NOT IN USE.
  • Page 50 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 8. IF YOU HAVE REMOVED the battery for charging, disconnect the battery from the charger, reconnect the large connector to the motor connector inside the Main Battery Case, and replace the battery inside the Main Battery Case opposite the way you removed it.
  • Page 51 WARNING: TAKE CARE TO PLACE THE CHARGING CABLE AWAY FROM THE LATCH TO AVOID DAMAGING THE CABLE AND SHORTING THE BATTERY. BATTERIES FROM SHORTED CABLES AND SEVERED BATTERY CABLES ARE NOT COVERED BY YOUR RUNGU WARRANTY. GOOD - cables positioned away from cover...
  • Page 52 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 11. Use the same technique as in step 1 to hold the cover in place while using the key to close the latch. 12. Remove the key from the latch and put it away to avoid losing it.

  • Page 53: Charging Dual Batteries - Dual Battery Units (Overland, Rubicon)

    RUNGU Electric Juggernaut Owner Manual – 2019 model year Charging Dual Batteries – Dual Battery Units (Overland, Rubicon) Dual battery units have one battery located in the Rungu Cargo Rack and another in the battery case under the frame. 1. Make sure your dual battery chargers are set to the correct voltage for your country’s power requirement.
  • Page 54 To remove the battery, lift the battery up from the front and lift the battery out of the Rungu Cargo Rack. Be careful not to drop the battery. When you have removed it from the rack, disconnect the large yellow connector connecting the battery to the extension cable.
  • Page 55 SAFE DISTANCE TO MAKE SURE ALL IS O.K. GIVE US A CALL/EMAIL US IMMEDIATELY IF A BATTERY BEGINS TO PUFF, AND CONTACT RUNGU FOR GUIDANCE ON THE NEXT STEPS. DO NOT ATTEMPT TO USE A BATTERY AFTER IT HAS SWELLED AND EXPANDED OR “PUFFED”...
  • Page 56 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 7. A red light should appear on each charger within a few seconds. Wait until the light on the charger turns green for a full charge. Depending on the amount of charge remaining in your battery, you should expect a full charge in fewer than 3 hours.
  • Page 57 WARNING: TAKE CARE TO PLACE THE CHARGING CABLE AWAY FROM THE LATCH TO AVOID DAMAGING THE CABLE AND SHORTING THE BATTERY. BATTERIES FROM SHORTED CABLES AND SEVERED BATTERY CABLES ARE NOT COVERED BY YOUR RUNGU WARRANTY. GOOD - cables placed away from door and key latch...
  • Page 58 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year 9. Lower the door over the battery. 10. Use the same technique as in step 1 to hold the door in place while using the key to close the latch.

  • Page 59: Before Your First Ride - Safety Check

    1. Make sure the stems are tightly clamped to your forks. To do this, stand in front of the Rungu astride the left wheel facing the steering assembly. Hold both handle bars and try to turn the steering.
  • Page 60 DAMAGING THE CABLE AND SHORTING THE BATTERY. BATTERIES FROM SHORTED CABLES AND SEVERED BATTERY CABLES ARE NOT COVERED BY YOUR RUNGU WARRANTY. 8. Make sure your seat post and seat are tightened. With the seat post clamp tightened, try to rotate the saddle.
  • Page 61 15 PSI (103 KPa). Note: Tire pressure plays a very important role in how you enjoy your Rungu Electric Juggernaut. If you plan to ride mostly on soft ground like sand or snow, use a tire pressure between 5 (34 kPa) and 6 PSI (41 kPa) for best traction and control as well as minimizing tread wear.

  • Page 62: Using The Control Keypad And Understanding The Dashboard

    BBSHD motors due to the higher voltages used. The keypad has the on and off switch, controls the power output level of the motor, turns the (optional) Rungu E-Light on and off, and sets up the display settings. This section provides an overview of the controls that gives you enough information to operate your Electric Juggernaut.
  • Page 63 “relaxes” and returns to its unloaded voltage. The e-Light status changes when you turn on the optional Rungu E-Light. When you turn on the optional Rungu E-Light, the image of the headlight appears and the screen dims for night-time riding. You can also set the light to turn on automatically in low-light situations.

  • Page 64: Accessing The Display Settings

    If you have the Rungu E-Light with your Electric Juggernaut, the Rungu E-Light toggle turns the light on and off. Press and hold the Rungu E-Light toggle for two seconds and release to turn the light on. Do the same to turn it off. The screen will dim when you turn the light on for nighttime visibility.

  • Page 65: Built-In Usb Charging Port

    “+” and “-“ keys to scroll 0 through 9 and advance to the next digit using the “i” key. The Display Setting item is described in the “Rungu Electric Juggernaut Mid-drive Version Display User Guide” manual you can find in your USB document drive or on line at this link.

  • Page 66: Riding Electric Juggernaut

    Riding Electric Juggernaut Riding Electric Juggernaut, the first time Be prepared for a learning curve riding Rungu the first time. Electric Juggernaut rides differently than bicycles and e-bikes and requires five to thirty minutes of riding before feeling comfortable. The additional front wheel adds more inertia to turning;...

  • Page 67: Understanding And Changing Electric Juggernaut Power Level

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Understanding and changing Electric Juggernaut Power Level Each Electric Juggernaut is factory configured to five selectable power levels for the mid-drive motor. At the lowest level, the motor provides very little assistance to pedaling. At level 2, Electric Juggernaut can qualify as a “type I”...
  • Page 68 V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year CAUTION: AVOID SHIFTING WHEN ELECTRIC JUGGERNAUT IS UNDER LOAD. SHIFTING GEARS WHILE USING POWER LEVEL 4 OR 5 AND HILL CLIMBING MAXIMIZES CHAIN WEAR AND MAY RESULT IN A BROKEN CHAIN, BENT CASSETTE COGS OR BOTH. THE ELECTRIC JUGGERNAUT USES A CHAIN DESIGNED FOR THE OUTPUT OF THE MOTOR, HOWEVER REPEATED GEAR CHANGES AT THE HIGHER POWER LEVELS GENERATES VERY HIGH FORCE AND CAN BREAK A LINK.
  • Page 69 Electric Juggernaut default is five, but you can also have three settings (33%, 67%, 100%) or nine settings in 10% increments. For detailed information on how to change Display settings, refer to the “Rungu Electric Juggernaut Mid- drive Version Display User Guide” document in the USB document drive that accompanied your Electric Juggernaut.

  • Page 70: Power Level And Gear Combination Guidelines

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Power level and gear combination guidelines For best results and the longest life of your chain and cassette follow these guidelines: 1. ON EVEN OR ROLLING ROADS, Use power level 3 (60%) and pedal. Change gears at will to manage speed.

  • Page 71: Riding Safety

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Ride Electric Juggernaut at a level and speed you are comfortable with. If you’re uncomfortable with the terrain, walk the bike. Note: Electric Juggernaut Warranty does not cover damaged/worn cassettes and broken chains.

  • Page 72: Adjusting The Front Suspension

    Under some circumstances such as when the rear wheel drifts sideways in very soft sand, the suspension may make it difficult to stay upright. Under these circumstances, Rungu recommends disabling the front suspension by turning the switch from the Open position to the Lock position.

  • Page 73: Using The Optional 12Vdc Outlet

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Using the optional 12VDC outlet The optional 12VDC outlet, located on the top right corner of the battery case under the frame, provides up to 120W of power, which is enough to power a portable air compressor or low power DC/AC inverters.

  • Page 74: Rungu Electric Juggernaut Maintenance And Care

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Rungu Electric Juggernaut Maintenance and Care Before Each Ride See section labeled “Before your first ride – Safety Check” After Each Ride 1. Clean and inspect Electric Juggernaut. Hose off (Use a shower mode or light spray, avoid powerful spray settings) or wipe down Electric Juggernaut and dry it with a towel.

  • Page 75: Prolonging The Life Of Your Battery - Best Practices

    Internet on sourcing and exchanging your replacement cassette. 7. Service your brakes and brake pads. You can source maintenance supplies from Rungu, but Bicycle stores also have equipment to bleed the hydraulic system and replace the mineral oil.

  • Page 76: Securing Your Electric Juggernaut

    RUNGU Electric Juggernaut Owner Manual – 2019 model year The same is true for brake pads. Check the components tab on the Support page of the Rungu Website to find links to useful maintenance videos appropriate for the Electric Juggernaut.

  • Page 77: Technical Information

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Technical Information Default Display Settings Units: Imperial Brightness: 100% MAX PAS: 5 Auto Off: 2 minutes Power View: Power SOC View: % Trip Reset: No AL Sensitivity: Off Password: None...

  • Page 78: Performance

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Performance Electrical Copyright 2019 Standard Bearer Machines, LLC...

  • Page 79: Troubleshooting

    (large yellow connectors) and then reconnecting the battery. In most cases, this action is sufficient to “wake up” the battery so it will charge again. If this action fails to work, contact Rungu. Problem: I cannot get my battery to charge or my charger is not working The green light stays on when I know the battery is discharged or no light turns on at all when I plug the battery into the charger.

  • Page 80: Motor And System Performance

    V2.0 RUNGU Electric Juggernaut Owner Manual – 2019 model year Motor and System Performance Problem: The Electric Juggernaut feels sluggish in difficult environments Hills, snow, and soft sand will slow down the Electric Juggernaut and cause you to use more power and pedaling.

  • Page 81: Mechanical

    Range depends on many factors – surface, tire pressure, power level, load, wind, incline, etc. Like a car, accelerating hard or spending more time in soft sand (you can do that with Rungu) will have a significant impact on the battery range of your Rungu. If you feel you are within the parameters of the performance specifications stated above, check the for the following problems.

  • Page 82: Getting More Information

    If the derailleur, hanger and frame are intact, 4. Contact Rungu Support if you have other questions. Getting more information Thank you again for purchasing a Rungu Electric Juggernaut. For further questions, please consult the Support Page on the riderungu.com website or email support@riderungu.com.

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