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STANDARD LIMITED WARRANTY 

Bicycle Lifespan.

 Rambo Bikes

 have an expected lifespan depending on the level of care and/or use. Misuse, neglect, and 

abuse will significantly reduce the expected lifespan of your bike. Some types of riding styles - competition, jumping, downhill 
racing, and extreme conditions or climates - will all impact the lifespan of your bike and its components. These types of riding 
may cause premature failure of your bike and its components. This warranty does not extend to any failures associated with 
this type of riding, or to any Rambo products that have been subject to misuse, neglect, abuse, or improper storage, or if the 
product is modified or altered in any way other than as directed by official Rambo Bike instructions. Always have your bike 
periodically inspected by a qualified bicycle technician. These inspections are crucial for the safety of you and others around 
you as well as extending the lifespan of your Rambo.  

Limited Lifetime

 Frame Warranty Rambo bike frames are warranted against factory defects for the lifetime of the original 

purchaser if they remain the owner of the Rambo bike. This warranty is non-transferable. Your Rambo frame is warranted 
against premature failure caused by faulty workmanship or materials, as determined by Rambo Bikes. Frames must be 
returned 

to Rambo Bikes at the owner’s expense for determination of defect and/or replacement. If a frame replacement is 

found to be warranted by Rambo Bikes, a comparable frame (depending on availability) will be issued to the original 
purchaser. Front forks and suspension forks do not have a lifetime warranty!  

Warranty Beyond

 the lifetime frame warranty, Rambo Bikes warrants all bikes, enclosed hardware (where applicable) and 

accessories to be free from defects in material and workmanship for a period of twelve months from the original date of 
purchase. Some components on your Rambo bike such as brakes, tires, tubes, chains, grips, motors, and cables are not 
warranted against normal wear. If you find a product to be defective, contact Rambo at 952-283-0777. All components must 

be returned at the owner’s expense for inspection. Product repairs and/or updates not covered by the warranty will be 

provided at a set rate. At its sole discretion, Rambo will determine whether the component will be covered under this 
warranty. This warranty is in lieu of all other warranties expressed or implied. You may have certain legal rights that extend 
beyond this 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 by improperly installed parts or 
components, installation and use of aftermarket accessories or storage fees. Any installation of a powerplant (motor electric 
or internal combustion) other than powerplants supplied directly by Rambo Bikes immediately voids this warranty. Some parts 
and components may from time to time become obsolete or discontinued. Rambo Bikes reserves the right to substitute any 
component at its sole discretion. This is the only warranty provided or honored by Rambo Bikes, and no other warranty will be 
honored unless specifically provided for by law. No implication of merchantability or fitness for a particular purpose has been 
made by Rambo Bikes.  

General 

Rambo Bikes

 will not be held liable for any damages resulting from breach of warranty or for sums beyond the 

purchase price of the product. Rambo Bikes is not liable for lost profits or goodwill; downtime; damage or destruction of items 
or equipment used with, or in conjunction with Rambo Bikes

; personal injury or loss; or any other damages. This agreement 

is the entire agreement between you and Rambo Bikes

, and supersedes any prior agreements, representations, or 

proposals; and may be changed only by written agreement with Rambo Bikes

. Waiver by any party or breach of this 

agreement will not constitute a waiver of any subsequent default or breach of the same of different kind. The invalidity of any 
provision of this agreement shall not affect the validity of the other provisions hereof. This agreement shall be governed by 
laws of the State of IOWA, U.S.A. Rambo Bikes

; Centerville, IA 52544 ****************** PRODUCT REGISTRATION 

*********************** Please complete this card and mail to Rambo or visit RamboBikes.com and submit registration 
online to activate your warranty. Product __________________________ Model Number/Serial Number 

_____________________________ Owner’s Name ____________________________________ Purchase Date 

________________________ Street Address 
__________________________________________________________________________ City 
_____________________________ State __________ Zip Code _____________ E-mail Address 
_________________________________________________ Phone ________________________ Purchased From (Dealer 
Name) __________________________________________________________________ How did you hear about us: ____ 
Catalog ____ Webpage ____Friend ____Magazine Other, Please Explain 
____________________________________________________________________ WWW.RAMBOBIKES.COM 

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...

Page 2: ...2...

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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