Thank you for purchasing an ohm. We welcome you to the exciting and revolutionary world of alternative transportation. Your high quality, power on demand ohm bicycle offers a new form of environmentally friendly transportation and recreation. Throughout this manual you will find useful tips and impor...
C o n t e n t s 4 >> contents general warning.......................................................................................................................................................................................................... 6 one > before you ride ...............................
Ohmcycles.Com c o n t e n t s 5 four > technical information ................................................................................................................ 22 4.1 wheels ...................................................................................................................
G e n e r a l w a r n in g 6 general warning like many forms of transportation and recreation, bicycling involves the potential risk of injury and/or damage. By choosing to cycle, you are assuming responsibility for these risks. In an attempt to reduce the risk, we believe you need to know and pract...
Ohmcycles.Com o n e > b e f o r e y o u r id e 7 one > before you ride >> note: as already strongly recommended, please read this manual in its entirety. Here we explain the importance of fitting the bike, safety and general maintenance. Be sure you understand each point in this section before settin...
O n e > b e f o r e y o u r id e 8 mounting mechanism and the rear wheel has a bolted mounted device. See section 4.1 for an explanation on how to properly secure both types of mounting devices. 4 > now look at your pedals. Are they clipless or regular? The urban xu450 comes equipped with regular pe...
Ohmcycles.Com o n e > b e f o r e y o u r id e 9 always replace any tires with cuts or visual damage before you ride. Lastly, check to ensure your wheel (or rim) spins straight or “true” – this means that when you spin the wheel, it does not wobble side to side or rub against your brake pads. If you...
O n e > b e f o r e y o u r id e 10 1.4 some additional preparations here are some additional preparations we recommend to help in ensuring you have a safe and comfortable ride: ✔ carry a good quality hand pump, patch kit, spare tube and know how to repair a tire (see section 5.2 and section 4.7). T...
Ohmcycles.Com o n e > b e f o r e y o u r id e 11 first name: last name: address: city: state/province: zip/postal code: country: phone: ( ) email: model: serial number: date of sale (mm/dd/yy): dealer name: notes: owner’s record please fill out the following warranty registration for your records an...
T w o > s a f e t y 12 two > safety 2.1 the basics 1 > always wear a bicycling helmet that meets the latest certification standards and follow the helmet manufacturer’s instructions for proper fit, use and care of your helmet. Most serious bicycle injuries involve head injuries, which may have been av...
Ohmcycles.Com t w o > s a f e t y 13 4 > some helpful defensive habits include looking ahead to avoid: • vehicles slowing or turning, entering the road or your lane ahead of you, or coming up behind you. • parked car door opening – it is a good habit to scan parked cars for people in the driver seat...
Be exhilarating. Do not get so carried away that you forget safety precautions, traffic laws and common sense – always ride safely and defensively to enjoy many more rides to come! 2.3 off road safety 1 > just as in road riding, never underestimate the unpredictability and risks associated with off-r...
Ohmcycles.Com t w o > s a f e t y 15 2.4 wet weather riding warning: wet weather impairs traction, braking performance and visibility for you and your bicycle and other motorists or cyclists on the road. The risk of an accident is dramatically increased while riding in wet weather. Wet weather can m...
T w o > s a f e t y 16 if you choose to ride under conditions of poor visibility, always check to ensure you comply with local laws pertaining to riding a bicycle at night and take the following strongly recommended additional precautions: • make sure your bicycle’s lighting system is operating prop...
Ohmcycles.Com t w o > s a f e t y 17 your ohm bicycle comes equipped with an intelligent energy management system that helps you maximize your riding efficiency (see section 4.9). Your bike must be fitted correctly to your body. With a properly fitted bike, you can then focus on your posture and pedal ...
T h r e e > f it 18 three > fit >> note: correct fit and properly adjusted components are essential for maximum performance, safety and comfort while riding your ohm bicycle. Your dealer can assist in ensuring you have the right sized frame. Making adjustments to your bicycle to ensure the correct fit...
Ohmcycles.Com t h r e e > f it 19 3.2 ohm frame fit as your ohm bicycle does not have a top tube you may also use the seat tube measurement to determine proper fi t. The seat tube length designation is measured as the length from the middle of the bottom bracket to the top of the seat tube. For examp...
2 > front and back adjustments. The saddle can be adjusted forward or back to ensure you get optimal position for performance and comfort. Ask your dealer to set the saddle for your optimal riding position and to show you how to make any adjustments. 3 > saddle angle adjustments. The saddle angle ca...
Ohmcycles.Com t h r e e > f it 21 warning: if the stem binder bolt, handlebar binder bolt or bar and extension clamping bolt are not securely tightened, you could lose control of your bicycle and fall and/or damage your bicycle. To quickly check to ensure bolts are secure, place the front wheel betw...
Four > technical information understanding how your ohm bicycle works will contribute greatly to your safety, performance and overall riding enjoyment. We strongly recommend that you become knowledgeable of the basic technical information as explained in the following pages and if required, contact ...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 23 front wheel secondary retention devices your ohm bicycle has a secondary wheel retention device to keep the wheel from disengaging from the front forks if the quick release is incorrectly mounted. However, the secondary mounting device ...
F o u r > t e c h n ic a l in f o r m a t io n 24 installing a quick release front wheel caution: your ohm bicycle is equipped with disc brakes. Be very careful not to damage the disc, caliper or brake pads when re-inserting the disc into the caliper. Never activate a disc brakes control lever unles...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 25 4.1.3 removing and installing bolt-on rear wheel installing a bolt-on rear wheel ✔ shift the rear derailleur to its outermost position and pull the derailleur back with your right hand. ✔ put the chain on the smallest sprocket. Then, in...
F o u r > t e c h n ic a l in f o r m a t io n 26 4.2 seatpost quick release the seat post quick release clamp works exactly like the front wheel quick release (see section 4.1.1). While a quick release looks like a long bolt with a lever on one end and a nut on the other, the quick release uses a c...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 27 4.3 brakes your ohm comes equipped with a front and rear hydraulic disc brake system. Warning: riding with improperly adjusted brakes or worn brake pads is dangerous and can result in serious injury or death. Braking systems today are v...
F o u r > t e c h n ic a l in f o r m a t io n 28 for the amount of brake lever pressure required for each wheel at different speeds and on different surfaces. To better understand this, experiment a little by walking your bike and applying different amounts of pressure to each brake lever, until th...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 29 shifting gears ohm bicycles come equipped with lever style or twist-grip-style shifters used to change your gears (see fig 4.4a). Identify the shifters on your bike before reading on. A downshift is a shift to a “slower” gear, one which...
F o u r > t e c h n ic a l in f o r m a t io n 30 shifting the front derailleur the front derailleur, which is controlled by the left lever or twist-grip- shifter on the handlebar, shifts the chain between the larger and smaller chainrings. Shifting the chain onto a smaller chainring makes pedaling ...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 31 if you would like a different pedal design, please contact your dealer to show you a number of options. In the meantime, please consider the following when considering pedal design options: 1 > there are high performance pedals availabl...
F o u r > t e c h n ic a l in f o r m a t io n 32 4.6 bicycle suspension your ohm bicycle is equipped with a suspension system. Be sure to read and follow the suspension manufacturer’s set up and service instructions. Warning: failure to maintain, check and properly adjust the suspension system may ...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 33 never change suspension adjustment unless you are thoroughly familiar with the suspension system manufacturer’s instructions. Always check for changes in the handling and braking characteristics of the bicycle after a suspension adjustm...
F o u r > t e c h n ic a l in f o r m a t io n 34 warning: never inflate a tire beyond 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 sa...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 35 tire valves ohm bicycles use schraeder tire valves: the schraeder valve (see fig 4.7b) is like the valve on a car tire. To inflate a schraeder valve tube, remove the valve cap and clamp the pump fitting onto the end of the valve stem. To ...
F o u r > t e c h n ic a l in f o r m a t io n 36 4.9.1 motor-wheel /generator the motor-wheel / generator is mounted in the rear wheel of the bicycle. It is a sealed unit and is maintenance free. 4.9.2 battery the rechargeable lithium-ion battery and related electronic circuitry are mounted inside ...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 37 how to charge your battery >> note: we strongly recommend charging your battery after a ride. Recharge the battery at ambient temperature – avoid warm locations. Always let the battery return to room temperature 20ºc (68 ºf) before rech...
F o u r > t e c h n ic a l in f o r m a t io n 38 4.9.3 command console it is strongly recommended that you take some time to become comfortable with the command console functions before setting out on your first ride. Choose a setting that is free of traffic or other obstacles to practice using the p...
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 39 5 > generation 1-2-3-4: a. To activate generation, press on (–g) to go from 0 - 1. B. Press again on (+a) to increase generation or on (–g) to decrease it. 6 > shortcut to pass directly from one mode to the other: a. If you are already ...
F o u r > t e c h n ic a l in f o r m a t io n 40 programming menu use the programming menu to change the display from kph to mph and to enter the time: 1 > hold both (crono) and (mode) down for a few seconds until four zeros appear at the bottom left corner of the screen. The first zero is blinking....
Ohmcycles.Com f o u r > t e c h n ic a l in f o r m a t io n 41 to ensure a smooth departure, the assistance will only start when the bicycle rides at 3 kph (2 mph) or more. Assistance levels are approximate. They vary depending on your body weight, weather conditions and pedaling effort. The motor ...
F iv e > s e r v ic e 42 five > service warning: please note that bicycle technology is continuously changing to improve performance and use, but this has also made components mechanically more complex. It is therefore very important that you minimize the chance of an accident or potential injury by...
Ohmcycles.Com f iv e > s e r v ic e 43 5.1 service intervals regular maintenance and service will help ensure the bicycle operates at an optimal performance level, will help promote the life and dependency of your components and will reduce the risk of injury and/or death inherently associated with ...
F iv e > s e r v ic e 44 cracks or discoloration. These are all signs of stress-caused fatigue and indicate that a part is at the end of its useful life and needs to be replaced. ✔ check to make sure that all parts and accessories are still secure, and tighten any that require adjustment. ✔ recharge...
Ohmcycles.Com f iv e > s e r v ic e 45 same time, pull the tire so that the tire “beads” (there are two) are removed from the rim. If the bead is too tight for you to unseat with your hands, which will likely be the case most of the time, use your plastic tire levers to lift the bead carefully over ...
F iv e > s e r v ic e 46 bead and the wheel rim. If you have trouble getting the last few centimeters of bead over the edge of the rim with thumb pressure, use a plastic tire lever to push and slide the tire bead into its proper seated position in the rim. Be careful again not to pinch the tube. Cau...
Ohmcycles.Com f iv e > s e r v ic e 47 long-term storage of battery lithium ion (li-ion) battery ✔ it is recommended that li-ion battery packs be fully charged before a long storage period. ✔ store in a dry area with low humidity. ✔ store in 5ºc to 25ºc (40 ºf to 80 ºf) area. (preferably 20ºc (68 ºf...
S ix > a b o u t y o u r o h m d e a l e r 48 six > about your ohm dealer your authorized ohm dealer can help you: • find the proper size frame and component configuration for your type of riding. • understand how different components function. • maintain your ohm bike for maximum performance • recom...
Ohmcycles.Com s e v e n > l im it e d w a r r a n t y 49 seven > limited warranty ohm cycles ltd. (“ohm”) limited warranty: frames ohm frames are warranted by ohm against manufacturing defects in materials or workmanship for a period of two years to the original owner from date of purchase. Recharge...
S e v e n > l im it e d w a r r a n t y 50 7.1 warranty registration we encourage you to register your bicycle by mail or through our website. Registering your bicycle helps us ensure your continued satisfaction as well as enabling us to contact you with important product information. Mail in: compl...
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