KENT 92804, Руководство пользователя

Страница: 29 / 60

27
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. Moving the chain from a smaller sprocket
of the gear cluster to a larger sprocket results in a downshift. Moving the chain from a larger
sprocket to a smaller sprocket results in an upshift. 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 pedaling easier (a
downshift). Shifting to a larger chainring makes pedaling harder (an upshift).
d. Which Gear Should I Be In?
The combination of largest rear and smallest front gears is for the steepest
hills; the smallest rear and largest front combination is for the greatest
speed. It is not necessary to shift gears in sequence. Instead, find the
“starting gear” which is right for your level of ability (a gear which is hard
enough for quick acceleration but easy enough to let you start from a
stop without wobbling) and experiment with upshifting and downshifting
to get a feel for the different gear combinations. At first, practice shifting
where there are no obstacles, hazards or other traffic, until you’ve built up
your confidence. Learn to anticipate the need to shift, and shift to a lower
gear before the hill gets too steep. If you have difficulties with shifting, the
problem could be mechanical adjustment. See your local bike mechanic for
help.
WARNING! NEVER SHIFT A DERAILLEUR TO THE LARGEST OR
THE SMALLEST SPROCKET IF THE DERAILLEUR IS NOT SHIFTING
SMOOTHLY. THE DERAILLEUR MAY BE OUT OF ADJUSTMENT AND THE
CHAIN COULD JAM, CAUSING YOU TO LOSE CONTROL AND FALL.
WARNING! DO NOT FORCE THE SHIFT LEVERS. SHIFT ONLY WHEN PEDALING FORWARD
AND WITHOUT STRONG FORCE. DO NOT BACKPEDAL. BACKPEDALING AND SHIFTING
WHILE NOT PEDALING CAN DAMAGE THE SPROCKETS AND STRETCH THE CABLE WIRE.
e. What If It Won’t Shift Gears?
If moving the shift control one click repeatedly fails to result in a smooth shift to the next
gear chances are that the mechanism is out of adjustment. Take the bike to your bike
mechanic to have it adjusted.
ASSEMBLING YOUR BIKE