CONGRATULATIONS! Congratulations on the purchase of your new SYNERGY KAHUNA, and welcome to the ever-growing electric bike family! You are now part of a worldwide community of riders seeking adventure and excitement on two wheels. We sincerely thank you for helping support our dream of bringing affordable and one- of-a-kind e-bikes to the world —...
FRAME NUMBER Please take a moment to record your SYNERGY KAHUNA frame number located at the under- side of the bottom bracket. Write down this number here in the manual in case you SYNERGY KAHUNA is lost or stolen. It starts with WMAB following by a numerical sequence. In addition, it is wise to register these numbers with your insurance company and your local po- lice station in the event of theft or loss.
TABLE OF CONTENTS Foreword Frame Number Table of Contents Safety First Inside the SYNERGY KAHUNA Box Assembling Your SYNERGY KAHUNA for the First Time How to Adjust Frame-Folding Lever The Computer Display Folding Your SYNERGY KAHUNA Unfolding Your SYNERGY KAHUNA SYNERGY KAHUNA Specifications Battery Charging...
SAFETY FIRST If you are unfamiliar with any aspect of this manual, it is advised that you take your SYNERGY KAHUNA and this manual to a local bike shop for inspection, assembly and instructions. ➢ It is extremely important that you follow the safety guidelines contained in this manual in order to ensure maximum safety for you as well as maximum durability of your SYNERGY KAHUNA.
➢ Your SYNERGY KAHUNA is intended for riding on both street and light off-road. Be extra careful if you decide to use it on other surfaces. ➢ It is advisable to be extremely cautions when riding in traffic. Cars are not used to the speed at which a SYNERGY KAHUNA can travel, as compared to a regular bike.
ASSEMBLING YOUR SYNERGY KAHUNA FOR THE FIRST TIME Front Wheel Assembly • Remove the fixed axle by unscrewing the nut on both sides and removing the axle from the wheel. If it is tight, it can be loosened with a 15mm crescent wrench. •...
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Handlebar Assembly • Straighten the handlebar until is it perpendicular to the ground and lock the handlebar stem safety locking mechanism in place. • Insert the loose handlebar into the handlebar stem with the brakes facing outward and push down. You may raise and lower the handlebar as you wish until you find a height comfortable for riding.
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Assembling the Pedals 1. Each pedal has an “L” sticker or “R” sticker to indicate left or right side of the SYNERGY KAHUNA. Otherwise, please check the external edge of the pedal body or inside of the pedal axle where the pedal inserts into the crank arm for the imprinted “L” or “R”. 2.
How to Adjust Frame-Folding Lever If your folding-frame lever does not strongly snap into place when locked, or is not flush against the frame, you will need to adjust locking mechanism and/or lever-to-frame distance. Locking Mechanism To adjust locking mechanism (perform ONLY if your frame-folding lever does not strongly snap into place when locked or appears to come loose to allow frame to fold): ▪...
▪ If you find the lever still feels loose or is not flush solid against the frame, try another one-quarter counter clockwise turn and repeat until you get there. ▪ If you find lever will no longer close easily, tighten the screw with one-quarter clockwise turns until it’s perfect.
FOLDING YOUR SYNERGY KAHUNA 1. Pull up the handlebar stem vertical locking mechanism on the handlebar safety locking mechanism to fold the handlebar towards the right side of the front wheel. 2. Remove the key underneath so it is not damaged during the folding process.
SYNERGY KAHUNA SPECIFICATIONS Model Number SYNERGY KAHUNA X 750S 750W brushless geared rear-drive Motor Samsung Li-lon Battery 48V 14.5AH Battery Max Speed 32 km/h/ 20 mph Battery range (with pedal-assist dependent Up to 80+ km/ 55 +mi upon usage, weather, conditions, terrain and rider's total weight) Bike weight w/o battery 26 kg/ 57.3 lbs...
Inserting the Battery 1. Open the SYNERGY KAHUNA frame. 2. Insert the battery with ignition side facing down. 3. Close the SYNERGY KAHUNA’s frame. 4. Insert the key and turn it to locked position. Removing the Battery 1. Turn the key to the unlocked position. 2.
CHARGE TIME (FOR BATTERY) With the provided battery charger,it takes 6 to 8 hours to fully charge 14.5Ah from empty to full (depending on your current battery usage level, climate conditions and earlier charging cycles). IMPORTANT: If your SYNERGY KAHUNA will be kept for a long period in extreme °...
WARNING: Do not take the battery apart. Do not burn, puncture, submerge in water or damage the battery in any way. Do not use the battery if it appears to be damaged. In case of any noise, irregular heat or leakage from the battery, seize all use immediately. Keep the battery stored in a 0°...
CAUTION: You must slide the handlebar stem connecting the handlebar to the frame in far enough that the series of parallel grooves that mark the minimum insertion level in the tubing are hidden (NOT exposed). DO NOT raise the handlebar higher than this height. If the handlebar stem is not inserted, at minimum, to this line, serious injury can occur to the rider.
MAINTENANCE Tire Pressure Be sure to check it twice a month. We suggest to keep it at 1.4 bar (20 psi). Riding with too low pressure can result in: 1. Lowered travel range per battery charge 2. Increased wear on the tires 3.
PRODUCT REPLACEMENT It is always good to keep spare tires, inner tubes, lube, chains and brake pads on hand as these items are worn out most quickly. If a product is in need of replacement and you are not completely certain how to do this, it is recommended to take it to your local bike dealer.
▪ This warranty does NOT cover any water-damage. ▪ VINTAGE IRON CYCLES AND NORTH49 BRANDS reserve the right to refuse any warranty claim. LIMITED ONE YEAR BATTERY WARRANTY ▪ Lithium lon batteries are warranted to be free from manufacturer defects in materials and/or workmanship for a 1-year period from the date of original purchase.
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