It’s funny how things work out
sometimes. Before Giant handed us
a 2017 Full-E+ 0 SX to review, they
invited us to Corsica, France, to preview
the 2018 version. We were the only
American magazine invited for the
Truly the bike from the future, it will
be available in Europe in early 2018, but
won’t even make its way to the States
until the middle of next year. It’s virtually
the same bike as the 2017, but with one
major change—the 2018 Full-E+ will be
equipped with Giant’s new SyncDrive
Pro, a renamed Yamaha PW-X motor
with Giant’s own custom tuning on the
The new motor is actually available
in Europe this year but not in the U.S.,
and it adds more power and torque to
compete with the Bosch Performance
CX. It’s also 13 percent smaller and 380
grams lighter this year.
They’ve not only made the motor
smaller and lighter, but a new ISIS-
spline axle mated with a clutch with
tighter pawls allows a three-times-
quicker mechanical response from
rider input at the crank. Part of Giant’s
performance tweaks make the electronic
response three times quicker (to >190
milliseconds) as well.
The Q factor (distance between the
outside of the crank arms) has been
reduced to 168mm from 186 for a more
stable stance on the pedals.
On the trails it’s quite a machine.
The bike is built for a wide audience,
meaning that it can be used for enduro
rides, cross-country, all-mountain—a
little of everything.
Our first ride was an enduro-style
ride through the rocky, muddy, cow-poop-riddled Corsican mountains. It was
breathtaking and brisk, with the starting
temperatures at just above freezing.
We set the sag on the suspension at
30 percent, and that seemed pretty
good on this bike. The back end of
the bike is reasonably long, which is
really important on steep climbs with an
electric bike, especially a powerful one.
Shorter rear ends loop out easily.
The front end feels a bit short, and
though the 66.5-degree head angle is
great for being able to throw the bike
around, on technical or fast descents, it
doesn’t inspire all the confidence in the
world. We had a few instances of feeling
like we might easily go over the bars on
some downhill sections with large rocks.
One of the things we love about
Yamaha motors is the power and torque
from the start of the pedal stroke. Giant
has tuned the motor to always provide
this torque instantly when you start
pedaling. They’ve also tweaked the top
end on every power level to allow for up
to 120 rpm, a vast improvement over the
previous motor that cuts out at about 90
Their performance tuning on the
motor is impressive, all 80 N/m of torque
GIANT FULL E+ 0 SX PRO