Drivetrain; Pedals; Lubrication And Adjustment; Attachment - Infinity MOUNTAIN BICYCLE Owner's Manual

Infinity mountain bicycle; bmx bicycles
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Detailed Maintenance
5
L = Left
Turn counter-clockwise
to tighten.
5
R = Right
Turn clockwise
to tighten.
78

DRIVETRAIN

The drivetrain of a bicycle refers to all parts that transmit power to the
rear wheel including the pedals, chain, chainwheel, crank set, and
freewheel.

Pedals

Pedals are available in a variety of shapes, sizes and materials, and
each are designed with a particular purpose in mind. Some pedals
can be fitted with toe clips and straps. These help to keep the feet
correctly positioned and allow the rider to exert pulling force, as well as
downward pressure, on the pedals. Use of toe clip with straps requires
practice to acquire the necessary skill to operate them safely.
Inspection
Pedals should be inspected every month, taking note of the following
areas:
– Check correct tightness into the crank arms. If pedals are allowed
to become loose, they will not only be dangerous but will also cause
irreparable damage to the cranks.
– Check that pedal bearings are properly adjusted. Move the pedals
up and down, and right to left, and also rotate them by hand. If
you detect any looseness or roughness in the pedal bearings then
adjustment, lubrication or replacement is required.
– Ensure that the front and rear pedal reflectors are clean and
securely fitted.
– Also ensure that the toe clips, if fitted, are securely tightened to the
pedals.
Never ride with loose pedals.

Lubrication and Adjustment

Many pedals cannot be disassembled to allow access to the internal
bearings and axle. However, it is usually possible to inject a little oil onto
the inside bearings, and this should be done every six months. If the pedal
is the type that can be fully disassembled, then the bearings should be
removed, cleaned and greased every six to twelve months. Because of
the wide variety of pedal types and their internal complexity, disassembly
procedures are beyond the scope of this manual and further assistance
should be sought from a specialist.
Pedal with toe clip and strap attached

Attachment

Note: The right and left pedals of a bicycle each have a different thread and are not interchangeable.
Never force a pedal into the incorrect crank arm.
The right pedal, which attaches to the chainwheel side is marked 'R' on the end of the axle, and screws in with a clockwise thread. The
left pedal, which attaches to the other crank arm, is marked 'L' on the axle, and screws in with a counter-clockwise thread.
Insert the correct pedal into the crank arm and begin to turn the thread with your fingers only. When the axle is screwed all the way in,
securely tighten using a 15mm wrench.
If removing a pedal, remember that the right pedal axle must be turned counter clockwise, i.e. the reverse of when fitting.
If replacing the original pedals with a new set, make sure the size and the axle thread is compatible with the cranks on your bicycle.
Bicycle use one of two types of cranks and these use different axle threads. Your bike may be equipped with cranks that are a one piece
design with no separate axle. These operate with pedals that have a 1/2"(12.7mm) thread. Bikes equipped with three piece crank sets
with a separate axle, left crank and right crank, use a slightly larger 9/16"(14mm) thread.
Note: Never try and force a pedal with the wrong thread size into a bicycle crank.
Detailed Maintenance
Never ride in traffic with fully tightened toe straps.
5
5
79

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Bmx bicycles

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