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KONA OWNER’S MANUAL
• a rear derailleur
• occasionally a front derailleur
• one or two shifters
• one, two or three front sprockets called chainrings
• a drive chain
A) Shifting Gears
There are several different types and styles of shifting con-
trols: levers, twist grips, triggers, combination shift/brake
controls and push-buttons. Ask your dealer to explain the
type of shifting controls that are on your bike, and to show
you how they work.
CAUTION: Never move the shifter while pedaling
backward, nor pedal backwards after having moved
the shifter. This could jam the chain and cause serious
damage to the bicycle.
B) Shifting the Rear Derailleur
The rear derailleur is controlled by the right shifter. The
function of the rear derailleur is to move the drive chain
from one gear sprocket to another. The smaller sprockets
on the gear cluster produce higher gear ratios. Pedaling in
the higher gears requires greater pedaling effort, but takes
you a greater distance with each revolution of the pedal
cranks. The larger sprockets produce lower gear ratios.
Using them requires less pedaling effort, but takes you a
shorter distance with each pedal crank revolution. In order
for the derailleur to move the chain from one sprocket to
another, the rider must be pedaling forward.
C) Shifting the Front Derailleur
The front derailleur, which is controlled by the left shifter,
shifts the chain between the larger and smaller chainrings.
Shifting the chain onto a smaller chainring makes pedal-
ing easier. Shifting to a larger chainring makes pedaling
harder.
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When you apply one or both brakes, the bike begins to slow,
but your body wants to continue at the speed at which it was
going. This causes a transfer of weight to the front wheel
(or, under heavy braking, around the front wheel hub, which
could send you ying over the handlebars).
A wheel with more weight on it will accept greater brake
pressure before lockup; a wheel with less weight will lock up
with less brake pressure. So, as you apply brakes and your
weight is transferred forward, you need to shift your body
toward the rear of the bike, to transfer weight back on to the
rear wheel; and at the same time, you need to both decrease
rear braking and increase front braking force. This is even
more important on descents, because descents shift weight
forward.
Two keys to effective speed control and safe stopping are
controlling wheel lockup and weight transfer. This weight
transfer is even more pronounced if your bike has a front sus-
pension fork. Front suspension “dips” under braking, increas-
ing the weight transfer (see also Section 4.F). Practice brak-
ing and weight transfer techniques where there is no trafc or
other hazards and distractions. Everything changes when you
ride on loose surfaces or in wet weather. It will take longer to
stop on loose surfaces or in wet weather. Tire adhesion is re-
duced, so the wheels have less cornering and braking traction
and can lock up with less brake force. Moisture or dirt on the
brake pads reduces their ability to grip. The way to maintain
control on loose or wet surfaces is to go more slowly.
D) SHIFTING GEARS
Your multi-speed bicycle will have a derailleur drivetrain.
1. How a derailleur drivetrain works
If your bicycle has a derailleur drivetrain, the gear-
changing mechanism will have:
• a rear cassette or freewheel sprocket cluster
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