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Recommended Rider Size: 

No rider under the age of 18 should be permitted to use the bike. It is up to your discretion to know and 
understand if you can ride the bike safely.   

No person should ride the bike if they cannot reach the ground while seated.  

If you are not comfortable on the bike, they should not attempt to ride the bike.  

Maximum Weight Limit: 300lbs 

 

 

RULES FOR SAFE RIDING 

You must ensure that you understand the safe operation of this bike and follow all traffic, bike laws and 
regulations in the area in which the bike is being operated. These may include rules regarding helmets, 
reflectors, and lights. A few important general rules for riding include but are not limited to:  

- Wear a helmet that meets ASTM or CPSC safety testing requirements. 

- Have reflectors and lights installed on your bike 

- Use proper hand signals 

- Avoid loose clothing 

- Ride on the correct side of the road with flow of traffic 

- Always wear brightly colored and reflective clothing 

- Ride single file if riding with others 

Summary of Contents for R750B-ST-BLC

Page 1: ...R750B ST ODG Assembly Operation Scan the QR code for a video of step by step assembly and operation Rambo Bikes 22844 230th Ave Centerville IA 52544 First Edition April 2023 Published by Rambo Bikes...

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Page 3: ...TENANCE AND CARE 24 25 TROUBLESHOOTING GUIDE 26 STANDARD LIMITED WARRANTY 27 Contact Information Email cs rambobikes com Phone 952 283 0777 Website rambobikes com Serial Number This is a good time to...

Page 4: ...TH RIDING A BIKE CAUTION IS REQUIRED CAUTION OBSERVE CONDITIONS AND MAINTAIN SAFE RIDING PRACTICES WARNING PRODUCT UNDER POWER AND MOVING PARTS WARNING BEWARE OF ELECTRICAL FIRE OR SHOCK ALWAYS WEAR A...

Page 5: ...that you understand the safe operation of this bike and follow all traffic bike laws and regulations in the area in which the bike is being operated These may include rules regarding helmets reflector...

Page 6: ...damage All lighting should be inspected to be sure they have fresh batteries and work properly Check Frame Fork and Components If you notice that the frame or fork has any visible damage cracks dents...

Page 7: ...risk of serious injury or death Pay attention and avoid distractions while riding Always maintain both hands on the handlebars Avoid bike stunts and or aggressive riding When carrying gear make sure i...

Page 8: ...u can ride your bike may have specific regulations Always respect private property and never trespass Respect the rights of others you may be sharing the trail with i e hikers cyclists equestrians Sta...

Page 9: ...ize yourself with which hand brake stops each wheel You can complete this task by spinning the front wheel and squeezing each brake lever one at a time to determine which one stops the wheel from spin...

Page 10: ...10 IDENTIFYING BIKE PARTS...

Page 11: ...l assist level 1 5 the motor will assist you while pedaling Pedal assist 1 being the slowest and least powerful and 5 being the fastest and most powerful If on Pedal Assist level 0 you will not have a...

Page 12: ...om of the LCD screen while Megatron and Krusader models are located at the bottom of the power off on switch Dual Battery Technology With the battery installed from the bottom of your bike frame you c...

Page 13: ...KE CABLES Once the packaging material is removed from the bike remove the Allen bolts from the handlebar clamp using a 4mm Allen wrench At this time be sure to turn the stem so it is facing forward As...

Page 14: ...h bolts from the axle then loosen the axle nut and axle Slide the axle out of the fork Then apply grease to the axle and install the wheel into the fork making sure the brake rotor is aligned in betwe...

Page 15: ...t pedal for the correct side there is an R or L marked on the end of the pedal bolt Be sure to note that the left pedal is reverse threaded It is recommended to add general purpose grease to the threa...

Page 16: ...e installed flip the bike over onto the wheels and be sure to check that the handlebars are aligned with the front tire Then tighten both sides of the stem to the fork using a 5mm Allen wrench tighten...

Page 17: ...TIRE INCLUDING SHOES THROTTLE OPERATION Your bike is equipped with a thumb throttle the throttle can be used from a complete stop all the way to the top speed and at any time The thumb throttle is act...

Page 18: ...18 Each PAS Pedal Assist Level is approximately 20 motor power Level 1 is 20 Level 2 is 40 Level 3 is 60 Level 4 is 80 and Level 5 is 100 motor power...

Page 19: ...up to 25 miles is using throttle only on PAS levels 3 5 with mostly flat ground Range Estimate up to 35 miles is using pedal assist on level 3 4 with mostly flat ground Range Estimate up to 45 miles i...

Page 20: ...frame When installing the battery be sure the battery clicks twice into the frame and the battery is sitting flush with the frame The first click is the safety latch and the second click is the lock s...

Page 21: ...charging the battery and or removing the battery Install the charging plug into the battery charging port as shown below When charging the charger will display red and once fully charged the charger...

Page 22: ...tely Inspect the rim for trueness by spinning it and watching for any side to side or up and down wobble If any movement is noted do not ride this bike until the rim is repaired Check the tire inflati...

Page 23: ...bike until this is corrected Inspect cable routing to be sure the handlebars can turn freely without binding or pinching the cables Check to be sure that your hand grips on the handlebars are in good...

Page 24: ...pedal to make sure they are not loose Make sure there is no rust or kinks in the control cables or cable housing Check your wheel rims for excessive wear and dents or for any loose or damaged spokes C...

Page 25: ...RIDE YOUR BIKE TAKE YOUR BIKE IMMEDIATELY TO A LOCAL BIKE SHOP FOR REAIR AND SERVICE Replacement parts can be purchased by contacting Rambo bikes at rambobikes com A list of Certified Repair Centers c...

Page 26: ...0H 11 Temperature sensor inside controller fault 11H 12 Current sensor fault 12H 13 Temperature sensor inside battery fault 13H 14 Temperature sensor inside the motor fault 14H 21 Speed sensor fault 2...

Page 27: ...is warranty in certain states Terms and Conditions of this Limited Warranty This limited warranty does not cover installation disassembly adjustments of components normal wear and tear damage caused b...

Page 28: ...28 Rambo Bikes 22844 230th Ave Centerville IA 52544 First Edition April 2023 Published by Rambo Bikes Centerville Iowa All rights reserved...

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