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Flash is not responsible for incidental or consequential 
damages, including, damages for personal injury, property 
damage, or economic losses, whether based on contract, 
warranty, negligence, product liability, or any other theory.

Some states or countries do not allow exclusions of inciden-
tal or consequential damages, so the above exclusion may 
not apply to you.

Any claim against this warranty must be made through Flash. 
To initiate a warranty claim please contact Flash at 
[email protected].

RETURN POLICY

Bikes may be returned within 30 days of bike user account 
setup, or within 90 days of receiving the bike, 

whichever 

occurs first.

Accessory items purchased as standalone products may be 
returned within 30 days of receiving shipment.

To qualify for a full refund, all products must be in new, un-
used condition with its original packaging. Proof of purchase 
is required with original receipt. Any refund will be applied to 

 the original credit card used in the purchase transaction.

 

Summary of Contents for FLASHV1

Page 1: ... Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This equipment should be operated with minimum distance of 20cm between the radiator and the human body ...

Page 2: ...earn About Flash Contents 01 02 Read Me First 03 Assembling Flash Completing Account Setup Riding Flash 04 05 Limited Warranty Bicycle Owner s Manual Frequently Asked Questions 12 13 06 07 08 11 14 56 57 ...

Page 3: ...ght Front disc brake Front wheel Quick release Turn signals Lights Horn Pedal assist Stem Touchscreen TFT Seat post quick release Saddle Rear LED brake light Rear disc brake Rear wheel motor Derailleur cassette Schrader Tire Valve Right pedal Charge port Kickstand ...

Page 4: ...Learn About Flash 2 Rear Brake Lever Headlight Horn Throttle Right Turn Signal Left Turn Signal Pedal Assist Level Front Brake Lever 7 Speed Shifter ...

Page 5: ... provided YouTube videos at http support flashbike io with detailed instructions on how to setup your Flash with the free Flash smartphone App Download the Flash APP Download free smartphone APP for iOS and Android Follow detailed instructions at http support flashbike io Required tools 4mm allen wrench included 5mm allen wrench included Adjustable crescent wrench or 15mm wrench Philips screwdrive...

Page 6: ... angle the brakes on the handlebar at 45 degrees towards the front of the bike Then tighten the 4x 4mm screws on the stem at 7Nm 8Nm of torque We have provided YouTube videos at http support flashbike io with detailed instructions on how to assemble your bike Written instructions are below 2 Assemble the front wheel on the bike s front fork 1 Start first by attaching the skewer to the front hub an...

Page 7: ...tighten by counter clockwise Do not reverse the pedals or you will damage the bike Apply 35Nm of torque 6 Assemble the clear front reflector on the front of the handlebar and the red reflector on the seatpost facing the rear 7 Add 40 P S I min to 65 P S I max to both the front and rear tire if your tire is a Kenda 26 x 2 10 tire We recom mend to use a hand pump or foot pump with a schrader valve t...

Page 8: ...lash APP on your smartphone 1 Make sure to turn on your Bluetooth under your smartphone s settings 2 After you create your user profile you will receive a Bluetooth pairing code You will need to enter this code when you pair your Flash APP on your smart phone with your Flash bike It s easy how to videos at http support flashbike io Completing Account Setup 3 Create your unique 5 digit security PIN...

Page 9: ...rt the charger plug to the charge port The battery charger LED will indicate red when the battery is charging The TFT screen will indicate when the battery is being charged The battery is fully charged when the LED light turns green on the battery charger To fully charge a battery typically takes 4 7 hours Charge the bike until it turns green before your first ride It s easy how to videos at http ...

Page 10: ... enter your 5 digit security code by touching the numbers on the TFT screen If you entered your security code incorrectly Riding Flash you will have 4 more tries before the bike is locked and unable to turn on If this happens you will need to unlock the bike with your APP Please contact Flash support if you encounter any issues How to turn the bike off Swipe the touch screen from the right edge of...

Page 11: ... at http support flashbike io bike with your APP in this mode How to Disarm the bike To disarm the bike touch the screen twice until you see the 6 digit passcode screen Then enter your 5 digit security code to unlock the bike Your bike is now ready to ride or you can turn off the bike by swiping the screen and touching the OFF button How to turn on or off the front LED headlight 1 Turn on your bik...

Page 12: ...er to use your mechanical shifter 1 To climb a hill use your right thumb to shift from gear 7 to 1 2 To ride faster press the sign with your right thumb to reach up to the 7th gear Throttle on Demand To use the throttle make sure your bike is in the On state and PAS is between 1 4 Then twist the throttle back with your right hand as show in the image below How to disengage the motor To disengage t...

Page 13: ...d into the bike s charge port for more than 24 hours The battery can go into sleep mode if unused for a pe riod of time To wake the battery out of sleep mode you have to plug the charger into the bike s charge port with the charger plugged into the AC wall outlet How to Maintain Service Recommended Service Intervals see page 47 Storing the bike for extended periods Prior to storing your bike alway...

Page 14: ...ly applies to new Flash bikes purchased through Flash s website or Flash s Indiego go campaigns A bicycle must be registered with Flash within 30 days of purchase or this warranty is void This warranty or any implied warranty does not cover claimed defects malfunctions or failures that result from normal wear and tear accidents misuse abuse neglect commercial use any modifications other than the a...

Page 15: ...ty must be made through Flash To initiate a warranty claim please contact Flash at support flashbike io RETURN POLICY Bikes may be returned within 30 days of bike user account setup or within 90 days of receiving the bike whichever occurs first Accessory items purchased as standalone products may be returned within 30 days of receiving shipment To qualify for a full refund all products must be in ...

Page 16: ...turers literature that was included with your bicycle or accessories In case of a conflict between the instructions in this manual and information provided by a component manufacturer always follow the component manufacturer s instructions If you have any questions or do not understand something take responsibility for your safety and consult with your dealer or the bicycle s manufacturer NOTE Thi...

Page 17: ...safety alert symbol indicates a situation which if not avoided could result in serious damage to the bicycle or the voiding of your war ranty Many of the Warnings and Cautions say you may lose con trol and fall Because any fall can result in serious injury or even death we do not always repeat the warning of possible injury or death Because it is impossible to anticipate every situation or conditi...

Page 18: ...overing to prevent the pinching or trapping of the child passenger s fingers 1 First NOTE We strongly urge you to read this Manual in its en tirety before your first ride At the very least read and make sure that you understand each point in this section and refer to the cited sections on any issue which you don t complete ly understand Please note that not all bicycles have all of the features de...

Page 19: ... work see Sec tion 4 E These pedals require special techniques and skills Follow the pedal manufacturer s instructions for use adjustment and care 5 Do you have toe overlap On smaller framed bicycles your toe or toe clip may be able to contact the front wheel when a pedal is all the way forward and the wheel is turned Read Section 4 E to check whether you have toeclip overlap 6 Does your bike have...

Page 20: ...rts or accessories If so secure them If you re not sure ask someone with experience to check Tires Wheels Make sure tires are correctly inflated Check by putting one hand on the saddle one on the intersection of the handlebars and stem then bouncing your weight on the bike while looking at tire deflection Compare what you see with how it looks when you know the tires are correctly inflated and adj...

Page 21: ...r If not your brakes need adjustment Do not ride the bike until the brakes are properly adjusted by a professional bicycle mechanic Wheel retention system Make sure the front and rear wheels are correctly secured seatpost If your seatpost has an over center cam action fastener for easy height adjustment check that it is properly adjusted and in the locked position Handlebar and saddle alignment Ma...

Page 22: ...speed putting your weight toward the rear and gently applying the brakes rear brake first Sudden or excessive application of the front brake could pitch you over the handlebars Applying brakes too hard can lock up a wheel which could cause you to lose control and fall Skid ding is an example of what can happen when a wheel locks up Practice shifting the gears Remember to never move the shifter whi...

Page 23: ...ost serious bicycle injuries involve head injuries which might have been avoided if the rider had worn an appropriate helmet WARNING Failure to wear a helmet when riding may result in serious injury or death 2 Always do the Mechanical Safety Check Section 1 C before you get on a Bike 3 Be thoroughly familiar with the controls of your bicycle brakes Section 4 C pedals Section 4 E shifting Sec tion ...

Page 24: ...g near the road Potholes sewer grates railroad tracks expansion joints road or sidewalk construction debris and other obstructions that could cause you to swerve into traffic catch your wheel or cause you to have an accident The many other hazards and distractions which can occur on a bicycle ride 5 Ride in designated bike lanes on designated bike paths or as close to the edge of the road as possi...

Page 25: ... tired Each of these conditions increases the risk of accident C Off Road Safety We recommend that children not ride on rough terrain unless they are accompanied by an adult 1 The variable conditions and hazards of off road riding require close attention and specific skills Start slowly on easier terrain and build up your skills If your bike has suspension the increased speed you may develop also ...

Page 26: ...nditions the stopping power of your brakes as well as the brakes of other vehicles sharing the road is dramatically reduced and your tires don t grip nearly as well This makes it harder to control speed and easier to lose control To make sure that you can slow down and stop safely in wet conditions ride more slowly and apply your brakes earlier and more gradually than you would under normal dry co...

Page 27: ...re in the event of brake cable failure If a brake straddle cable catches on the tire it can cause the wheel to stop suddenly causing you to lose control and fall If you choose to ride under conditions of poor visibility check and be sure you comply with all local laws about night riding and take the following strongly recommended a ditional precautions Purchase and install battery or generator pow...

Page 28: ... speeds achieved by motorcycles and therefore face similar hazards and risks Have your bicycle and equipment carefully inspected by a qualified mechanic and be sure it is in perfect condi tion Consult with expert riders area site personnel and race officials on conditions and equipment advisable at the site where you plan to ride Wear appropriate safety gear including an approved full face helmet ...

Page 29: ... of your skill and experience Ulti mately avoiding injury is your responsibility G Changing Components or Adding Accessories There are many components and accessories available to enhance the comfort performance and appearance of your bicycle However if you change components or add ac cessories you do so at your own risk The bicycle s manu facturer may not have tested that component or accessory f...

Page 30: ... check for correct standover height straddle the bike while wearing the kind of shoes in which you ll be riding and bounce vigorously on your heels If your crotch touches the frame the bike is too big for you Don t even ride the bike around the block A bike which you ride only on paved surfaces and never take off road should give you a minimum standover height clearance of two inches 5 cm A bike t...

Page 31: ...u choose to make your own saddle height adjustment loosen the seatpost clamp raise or lower the seatpost in the seat tube make sure the saddle is straight fore and aft re tighten the seatpost clamp to the recommend edtorque Once the saddle is at the correct height make sure that the seatpost does not project from the frame beyond its Minimum Insertion or Maximum Exten sion mark WARNING If your sea...

Page 32: ...ther mistake can lead to a sudden failure of the bolt causing you to lose control and fall Note If your bicycle is equipped with a suspension seat post the suspension mechanism may require periodic service or maintenance Ask your dealer for recommended service intervals for your suspension seatpost Small changes in saddle position can have a substantial ef fect on performance and comfort To find y...

Page 33: ... versa Otherwise you ll have to get a stem of different length or rise Consult your dealer Do not attempt to do this your self as it requires special knowledge WARNING On some bicycles changing the stem or stem height can affect the tension of the front brake cable lock ing the front brake or creating excess cable slack which can make the front brake inoperable If the front brake pads move in towa...

Page 34: ...n on the handlebars can be changed Ask your dealer to make the adjustments for you If you choose to make your own control lever angle adjustment be sure to retighten the clamp fasteners to the recommended torque Appendix C or the manufacturer s instructions E Brake reach Many bikes have brake levers which can be adjusted for reach If you have small hands or find it difficult to squeeze the brake l...

Page 35: ...ustable tension nut on one end and an over center cam on the other cam action system Hex nuts or hex key bolts which are threaded onto or into the hub axle bolton wheel It is very important that you understand the type of wheel securing method on your bicycle that you know how to secure the wheels correctly and that you know how to apply the correct clamping force that safely secures the wheel Ask...

Page 36: ...age which could cause you to lose control and fall resulting in serious injury or death 2 Wheels with cam action systems There are currently two types of over center cam wheel re tention mechanisms the traditional over center cam and the cam and cup system Both use an over center cam action to clamp the bike s wheel in place Adjusting the traditional cam action mechanism The wheel hub is clamped i...

Page 37: ...ing a disk brake Front Wheel CAUTION If your bike is equipped with a front disk brake be careful not to damage the disk caliper or brake pads when re inserting the disk into the caliper Never activate a disk brake s control lever unless the disk is correctly inserted in the caliper 1 With a through bolt or bolt on system tighten the fasten ers to the torque specifications in Appendix C or the hub ...

Page 38: ...el CAUTION If your bike is equipped with a rear disk brake be careful not to damage the disk caliper or brake pads when re inserting the disk into the caliper Never activate a disk brake s control lever unless the disk is correctly inserted in the caliper 1 With a cam action system move the cam lever to the OPEN position The lever should be on the side of the wheel opposite the derailleur and free...

Page 39: ...eping the cam lever from rotating increases clamping force ers to the torque specifications in Appendix C or the hub manufacturer s instructions NOTE If on a traditional cam action system the lever cannot be pushed all the way to a position parallel to the seat stay or chain stay return the lever to the OPEN position Then turn the tension adjusting nut counterclockwise one quarter turn and try tig...

Page 40: ... brakes which operate by squeezing the wheel rim between two brake pads disc brakes which operate by squeezing a hub mounted disc between two brake pads and internal hub brakes All three can be operated by way of a handlebar mounted lever WARNING 1 Riding with improperly adjusted brakes worn brake pads or wheels on which the rim wear mark is visible is dangerous and can result in serious injury or...

Page 41: ...your bike s brakes are set up this way squeeze one brake lever and look to see which brake front or rear engages Now do the same with the other brake lever Make sure that your hands can reach and squeeze the brake levers comfortably If your hands are too small to operate the levers comfortably consult your dealer before riding the bike The lever reach may be adjustable or you may need a different ...

Page 42: ...e to transfer weight back onto the rear wheel and at the same time you need to both decrease rear brak ing and increase front braking force This is even more im portant on descents because descents shift weight forward Two keys to effective speed control and safe stopping are controlling wheel lockup and weight transfer This weight transfer is even more pronounced if your bike has a front suspensi...

Page 43: ...r pedaling effort but takes you a greater distance with each revolution of the pedal cranks The larger sprockets produce lower gear ratios Using them requires less pedaling effort but takes you a shorter dis tance with each pedal crank revolution Moving the chain from a smaller sprocket of the gear cluster to a larger sprock et results in a downshift Moving the chain from a larger sprocket to a sm...

Page 44: ...ing the inside pedal up and the outside pedal down when making sharp turns On any bicycle this technique will also prevent the inside pedal from striking the ground in a turn WARNING Toe Overlap could cause you to lose con trol and fall Ask your dealer to help you determine if the combination of frame size crank arm length pedal design and shoes you will use results in pedal overlap Whether you ha...

Page 45: ...t Never ride in traffic with your toe straps tight 4 Clipless pedals sometimes called step in pedals are another means to keep feet securely in the correct posi tion for maximum pedaling efficiency They have a plate called a cleat on the sole of the shoe which clicks into a mating spring loaded fixture on the pedal They only engage or disengage with a very specific motion which must be practiced u...

Page 46: ...are marked on the sidewall of the tire The part of this information which is most important to you is Tire Pressure WARNING Never inflate a tire beyond the maximum pressure marked on the tire s sidewall Exceeding the recommended maximum pressure may blow the tire off the rim which could cause damage to the bike and injury to the rider and bystanders The best and safest way to inflate a bicycle tir...

Page 47: ...ds their tread pattern is designed to work better in one direction than in the other The sidewall marking of a unidirectional tire will have an arrow showing the correct rotation direction 2 Tires Valves There are primarily two kinds of bicycle tube valves The Schraeder Valve and the Presta Valve The bicycle pump you use must have the fitting appropriate to the valve stems on your bicycle The Schr...

Page 48: ...ividual maintenance requirements will be determined by everything from your riding style to geographic location Consult your dealer for help in determining your maintenance requirements WARNING Many bicycle service and repair tasks require special knowledge and tools Do not begin any adjustments or service on your bicycle until you have learned from your dealer how to properly complete them Improp...

Page 49: ... this manual The following are examples of the type of service you should perform yourself All other service maintenance and repair should be per formed in a properly equipped facility by a qualified bicycle mechanic using the correct tools and proce dures specified by the manufacturer 1 Break in Period Your bike will last longer and work better if you break it in before riding it hard Control cab...

Page 50: ...the bike then do the same with the other pedal Anything feel loose If so have your dealer check it Take a look at the brake pads Starting to look worn or not hitting the wheel rim squarely Time to have the dealer adjust or replace them Carefully check the control cables and cable housings Any rust Kinks Fraying If so have your dealer replace them Squeeze each adjoining pair of spokes on either sid...

Page 51: ...f tires can improve or diminish the performance of a bicycle for a certain purpose On the following pages we generally outline the intended uses of various types of bikes Industry usage conditions are generalized and evolving Consult yourdealer about how you intend to use your bike High Performance Road CONDITION 1 Bikes designed for riding on a paved surface where the tires do not lose ground con...

Page 52: ... life of your bike or its components is over continued use is hazardous Every bicycle and its component parts have a finite limited useful life The length of that life will vary with the construction and materials used in the frame and components the mainte nance and care the frame and components receive over their life and the type and amount of use to which the frame and components are subjected...

Page 53: ...ler for professional care and attention A Understanding metals Steel is the traditional material for building bicycle frames It has good characteristics but in high performance bicycles steel has been largely replaced by aluminum and some tita nium The main factor driving this change is interest by cy cling enthusiasts in lighter bicycles Properties of Metals Please understand that there is no sim...

Page 54: ...ortant note we can tell you that if the impact is hard enough the fork or frame may be bent or buckled On a steel bike the steel fork may be severely bent and the frame undamaged Aluminum is less ductile than steel but you can expect the fork and frame to be bent or buckled Hit harder and the top tube may be broken in tension and the down tube buckled Hit harder and the top tube may be broken the ...

Page 55: ...gue life is nearly infinite This requires a lot of material and a lot of weight Any structure that must be light and strong will have a finite fatigue life Aircraft race cars motorcycles all have parts with finite fatigue lives If you wanted a bicycle with an infinite fatigue life it would weigh far more than any bicycle sold today So we all make a tradeoff the wonderful light weight performance w...

Page 56: ...but whatever is causing the noise should be fixed promptly In most cases a fatigue crack is not a defect It is a sign that the part has been worn out a sign the part has reached the end of its useful life When your car tires wear down to the point that the tread bars are contacting the road those tires are not defective Those tires are worn out and the tread bar says time for replacement When a me...

Page 57: ...refully inspect them This is a job for a professional bicycle mechanic with the special tools skills and experience to inspect and service today s high tech high performance bicycles and their components Aftermarket Super Light components Think carefully about your rider profile as outlined above The more you fit the shorten product life profile the more you must question the use of super light compo...

Page 58: ...consult with your dealer or the manufacturer s cus tomer service representative for clarification Bolts that are too tight can stretch and deform Bolts that are too loose can move and fatigue Either mistake can lead to a sudden failure of the bolt Always use a correctly calibrated torque wrench to tighten critical fasteners on your bike Carefully follow the torque wrench manufacturer s instruction...

Page 59: ...57 Please visit the Flash Help Center http support flashbike io for the most recent frequently asked questions how to videos and popular articles Frequently Asked Questions ...

Page 60: ...http www flashbike io Flash is trademark of KPZ Inc Copyright 2017 Version 1 0 ...

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