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After ensuring that the axle sits deeply and snugly into the dropout slots, the axle must
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be secured tightly to the fork using the washers, lock washer, and axle nut. The inner
washer is designed to fit inside the quick release recess. If the nut gets loose, the
torque of the electric hub motor is sufficient to cause the axle to spread the dropouts
apart and spin out, possibly severing the power and Hall Effect wires and causing the
wheel to detach from the bicycle.
On one side of the axle, wires exiting through the axle prevent the washers and
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nut from being removed. The smaller diameter washer, larger diameter washer,
lock washer, and axle nut must be secured so they all sit flat against each other.
On the opposite side, there is an option to exactly mirror the first side.
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Alternatively, depending on your bike geometry and if you have a quick release
lip, you can eliminate one of the smallest diameter washer or larger washer. The
diagrams above illustrate each case. Next, follow the washer by the lock washer,
and then the axle nut.
The axle nuts must then be fastened tightly, as all the torque of the motor is
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transferred to the frame of the bicycle through the axle flats and axle nut.
If your bicycle geometry is such that you fall in the 'NO' category in the above
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picture, some minor modifications may be required so the quick release lip does
not interfere. More detailed guidance on quick release modification can be found
by contacting www.ebikes.ca or your local dealer.
Check and confirm you have firmly tightened the nut on your axle so all
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pieces sit flat against the fork.
In case it wasn't clear from the last comment: Tighten the axle nuts firmly!
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Renaissance Bicycles
eZee Kit Installation Guide Version 1.2
Spacer Washer
(smaller diameter)
Lock Washer
Axle Nut
YES
Quick Release Lip
Washer
(larger diameter)
Lock Washer
Axle Nut
YES
Spacer Washer (smaller diameter)
Washer (larger diameter)
Lock Washer
Axle Nut
YES
Quick Release Lip
Spacer Washer (smaller diameter)
Washer (larger diameter)
Lock Washer
Axle Nut
NO
Quick Release Lip interferes
with washer!
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