9
6. Regular use and bike maintenance
Any bicycle that is regularly used will require regular routine maintenance. To ensure the maximum safety on your
bike, we strongly recommend carrying a routine maintenance checks described in the paragraph 3.2 before each
ride. Additionally, the following checks should be done approx once a month:
-
Spokes – These should be checked after the first 300 miles (approx 500km) from buying your bike, and
then every 500 miles (800km) to make sure spokes are not too loose.
-
Brake pads – The condition of brake pads should be checked after every 500 miles. The life time of brake
pads may vary significantly and last as long as 5000 miles or as little as 250 miles, depending on the
conditions the bike is being used in. Generally, if used a lot in rain and muddy conditions, the pads will last
less than if used mainly in dry conditions. Also, they are more likely to wear out quicker if used in hilly or
mountains areas, compared to flat areas, where less braking is applied.
For full manual on how to set up the Bengal Performance brakes, please go to:
http://www.bengalperformance.com.tw/download.html
For full manual on how to set up the V-brakes, please go to:
http://techdocs.shimano.com/media/techdocs/content/cycle/SI/BrakeSystem/BR-M431-M421/8DV0A-BR-
M431_M421-EN_v1_m56577569830604303.pdf
-
Running gears – Running gears should be checked and adjusted if clicking noise can be heard while
changing the gears
-
Tyres condition – You should never ride the bike with worn out tyres, as they are more likely to get a
puncture and put you in a risk of an accident
-
Chain – Chain should be cleaned and lubricated occasionally as it makes is last longer. Please make sure
that you only use lubricants sold by professional bike shops. Never use motor oil or grease to lubricate
your chain.
-
Rims Condition – If using V-brake type brakes, it is important to check the condition of the rims
occasionally. With regular usage, rims wear out over time and their wall thickness is reducing – a very
worn out rim may explode under a high tyre pressure and cause an accident, serious injury or even death.
It is always best to ask a professional bike shop to check the rims condition for you – usually bike shops
offer such advice for free.
Torque recommendations
Rear
axle
nuts
33N.m
Seat pillar clamp nut/bolt
5-8N.m
Brake cable anchor bolt
5N.m
Brake centre bolt M6:
11N.m
Gear shifter nuts
4N.m
V brake caliper nuts
10N.m
Rear carrier nuts
8N.m
Mudguard bracket nuts
8N.m
Other nuts torque depends on the size:
M4
2.5-4N.m
M5
4-6N.m
M6 6-7.5N.m
Warning: All mechanical components in the bike will get some wear and tear over time, depending on the type of
a component and the material used. Any cracks, scratches, or colour changes, may indicate that the component
has worn out and should be replaced.
You should not try and fix any electrical components by yourself.
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