How to Install an Electric Bicycle Kit

What with the recession, a growing environmentalthe wheel in the fork with the extra washers.
awareness, and rapidly rising gasoline prices, more andStep 2. Now turn the bike right side up and attach the
more people are developing a growing interest in thebattery rack. This may require just a tad of trial and
electric bicycle. The electric bike has long been aerror with the spacing to make it fit correctly. Attach
transportation staple in Asia and Europe and is justthe battery mounting plate (this is packed attached to
now making its way to the shores of the New World.the battery) to the rack.
Electric bikes can be purchased new from a store orStep 3. Remove the old grips from your handle bars.
you can convert your existing bicycle to an electricThese may be very tight and require the use of pliers
hybrid with a conversion kit. Conversion kits come into twist them off or you can use a sharp blade to cut
many different powers, sizes and prices but by andthem off. After removing the grips, remove the original
large, you can obtain a far better and far lessbrake levers. To do this, squeeze the brake levers and
expensive electric bike from a kit than you can bythis will expose the ball at the end of the cable in the
buying one prebuilt. These kits are easy to install andbrake handle. Pull this out through the slot on the top of
require only a few common tools and minimal skills.the handle and slide the lever assembly off of the
However, if you need to hire an electrician to change ahandle bar. Depending on your bike you may first have
light bulb, they are not for you.to remove one or more of the shift levers.
For this article, I am using a 350 watt 36 volt frontStep 4. Mount he headlight in the center of the
wheel kit as they are far easier to deal with then ahandlebars. Slide the horn button onto the left side of
rear drive kit. Some features that I am describing in thethe handlebars and locate near the light. Slide the new
installation may not be included in your kit, such as abrake levers onto the handlebars and replace the
horn button or headlight, but most of what is here willcables exactly the way they were on the original
apply to any conversion kit.levers. Slide the throttle handle on which ever side you
The very first thing you will need to install your electricprefer and the plain grip on the opposite end. This may
bike kit is patience. Don't get in a rush. Take your timeall be very tight and a tiny bit of lubrication may be
and do it right. Many websites claim that a conversionused to assist in locating these components. Do not
kit can be installed in about an hour. This may be true iftighten down any of the clamps and set screws until
everything fits absolutely perfectly, you haveyou have everything positioned to your satisfaction.
everything you need and you have done this before.Step 5. Manually squeeze the brake calipers almost
However, to make this a neat, professional looking jobclosed and pull the brake cable tight through the lock
without making any mistakes, it will most probably takedown nut. Tighten the nut. check the brakes to make
you most of an afternoon.sure that they close tightly but do not rub on the rims.
Step 1. Loosen the brake cables where they fasten atAdjust as necessary.
the calipers. Turn your bike upside down so that itStep 6. Securely attach the controller box to the
rests on its handle bars and remove the entire frontframe of the bike. As you can see in the picture
wheel. Replace the front wheel with the one from theabove, I chose to attach the controller to the underside
kit. Make sure that the side of the wheel that has theof the battery rack. Make sure that where you
wires protruding from it will be on the left side of thechoose to mount the controller, the wiring from the
bike once it is turned right side up.handlebars will be able to reach it. Connect the wiring
If the axle does not completely fit into the slots of theharness as shown by the wiring diagram. The
"dropouts" you may have to file the slots a little wider.connectors only fit one way, don't force them. Take
Use a mill file and file on the back side of the fork.your time and compare the colors of the wires to the
Keep the filing flat and even and do both sides of thediagram if necessary as well as make sure that
fork.everything fits snug. Finally, slide the battery into the
On the axle there are several washers. Slide therack and connect the battery. Fasten down the wiring
number necessary to completely fill any spacewith the wire ties so that it is neat and will not snag.
between the fork and the hub motor. You must use atLeave sufficient slack in the cable to the motor so that
least one washer on each side of the motor if theyou can turn the handlebars without stressing the
sides of the motor housing rub against the fork. Youcable.
may have to apply a little muscle to this depending onStep 7. Turn on the key and make sure that the
the size of your fork. Left over washers can remainbattery meter lights up. if it does not, turn off the key
on the outside of the fork. Tighten the nuts very tight! Ifand recheck your connections. Now lift the front wheel
you do not do this, the motor may pull out of the frontoff the ground and twist the throttle a little to see if the
fork and damage the thin wires to the motor. If thewheel turns. If it doesn't, turn off the key and recheck
front wheel does not freely spin once these nuts areyour connections. Your electric bike conversion kit is
tightened, then make adjustments to the spacing ofnow complete.