BERG CYCLES SPORTCROSS Serie Manual Del Usuario página 44

MAINTENANCE
system. (See pages 49 to 51.)
Check the security by grabbing the saddle and trying to rotate it to the sides. If it moves, you should
tighten the screw.
Remember that the minimum insertion mark must remain within the frame.
BRAKES
The correct adjustment and operation of your bicycle's brakes is extremely important for safe operation.
Brakes should be checked for effective operation before every ride. Frequent checking of adjustment
CANTILEVER BRAKES
BIFURCATED
BRAKE CABLE
BRAKE
CABLE
BRAKE
ARM
INSPECTION
Brake levers should be checked for tightness at least every three months. They should be set in a com-
fortable position within easy reach of the rider's hands, and must not be able to move on the handlebar.
Some brake levers make use of a reach adjustment screw, which can alter the distance between the
handlebar grip and the lever, as required. The brake pads should be checked for correct positioning and
tightness before every ride, and the various bolts and nuts at least every three months. Squeeze each
brake lever to make sure they operate freely and that the brake pads press hard enough on the rims
to stop the bike. There should be about 1mm - 2mm clearance between each pad and the rim when the
brakes are not applied. The brake pads must be properly centred for maximum contact with the rim. Re-
place the brake pads if they are over worn so that the grooves or pattern cannot be seen. The brake cable
wires should be checked for kinks, rust, broken strands or frayed ends. The outer casing should also be
checked for kinks, stretched coils and other damage. If the cables are damaged, they should be replaced.
Some brakes have a quick-release mechanism to allow the wheel to be removed more easily. Each time
you adjust the brakes, make sure that the quick-release mechanism is in closed position.
Never use bicycle unless the quick release lever is securely locked in the closed position.
LUBRICATION
The brake lever and brake calliper pivot points should be oiled with 2-3 drops of light oil at least every
tree months to ensure smooth operation and to reduce wear.
Cables should be greased along their entire length, after removing them from their casings, at least
every six months.
BRAKE LEVER
LOCKNUT
CABLE REGULATOR
44
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is necessary as the control cables will stretch and the brake pads will
become worn with use.
Never ride a bicycle whose brakes do not work properly.
There are two types of bicycle hand brakes, with lateral traction calibra-
tors and cantilever calibrators. Both use handlebar-mounted lever that
controls a charge cable to activate the brake. The lateral traction brakes
are mounted on the side of the frame or fork over a single pivot point.
The cantilever brakes use the pivot arms, each one mounted on sepa-
rate pivots on each side of the frame/fork.
ADJUSTMENT
Minor brake adjustment can be made via the cable
regulator, usually located at the brake lever. To adjust,
squeeze the brake pads against the rim, loosen the
BRAKE LEVER
COVER
lock nut and turn the adjuster Brake pad clearance
should be a maximum 2mm from the rim. (1/2mm for
disc brakes) When correct, re-tighten the lock nut.
If the pads cannot be set close enough to the rim in