Yuba Bicycles LLC
Mundo Cargo Bicycle [ Owner’s Manual ] Page 8
9.
OPERATING THE BIKE
Operating the brake system
Always keep a safe stopping distance between you and other vehicles or objects. Adjust stopping distances
and braking forces to suit riding conditions.
If your bike has two hand brakes, apply both brakes at the same time. Over-use, or mis-use, of a front-wheel
brake, such as using only the front-wheel brake in an emergency, could cause the rear wheel to lift from the
ground, which could cause you to lose control.
Bicycles are normally manufactured with the left brake lever controlling the front-wheel brake. To change so
that the right lever controls the front-wheel brake, see Chapter 3.
Many models of modern brakes are very powerful; they are designed to stop a bike in wet or muddy
conditions. If you feel your brakes are too powerful for your riding needs, take your bike to your dealer for
adjustment or replacement of the braking system.
Operation of the gear system
The multi-gear system provides a means of maintaining a constant pedaling rate, regardless of road level
conditions. This is the most effective cycling technique to prevent tiring over long distances.
The gears are activated by cables connecting the twist shifters or shift levers located on the handlebar to the
derailleurs.
If your bicycle is equipped with twist shifters, rotating the twist shifters towards you moves the chain from
one chainwheel (or sprocket) to the next larger chainwheel (or sprocket). Rotating the twist shifters away
from you moves the chain from one chainwheel (or sprocket) to the next smaller chainwheel (or sprocket).
If your bicycle is equipped with shift levers, pushing the thumb shift lever away from you moves the chain
from one chainring (or sprocket) to the next larger chainring (or sprocket). Pulling the index finger shift lever
towards you moves the chain to the next smaller chainring (or sprocket).
The left shifter controls the front derailleur and the right shifter lever controls the rear derailleur. To shift,
continue pedaling at a steady pace while operating the shifters and engage the gear you find most
comfortable.
For easiest pedaling (while going up-hill or slowly), position the chain over the smallest chainring in front
and the largest sprocket in back. For hardest pedaling (while going down-hill, or quickly), position the chain
over the largest chainring in front and the smallest sprocket in back.
Pedals and wheels must be turning forward while shifting gears. Never pedal backward while shifting gears
and never force the twist shifters or shift levers.
Adjustment of the Cable Tension:
If the gear system is not functioning properly, ensure that the rear derailleur follows each shifting command
of the right twist shifter/shift lever. Cable stretching could affect the function after some time, so that
synchronization may no longer be assured. Check and adjust as follows:
1. Shift the chain to the center of the front chainwheel by turning the crank forward and shifting the left twist
shifter/shift lever.
2. Shift the chain to the outermost/smallest rear sprocket by turning the right twist shifter all the way away
from you, or moving the right shift lever all the way towards you.
3. While turning the crank forward, rotate the right twist shifter or push the right shift lever to the next
position.
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