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To test your gears properly:
– change gears one by one, from the small cog to
the big one, then the other way
– try to go up and down quickly
– test the gear changes with all the chainrings
When changing gears on a repair stand, all you
need to do is pedal with one hand and change
gears with the other
5. Does changing gears lack precision?
Check the derailleur hanger and pulleys. Changing
gears may lack precision, in other words, you can't
adjust your rear derailleur properly: the gears jump,
won't go up, or make a clicking sound. This might
be caused by:
– the derailleur pulleys: They might come lose
and move from side to side. The pulleys can be
replaced.
– the derailleur hanger: a twisted hanger means
that the derailleur isn't aligned with the cog, which
can explain this lack of precision. Replace it if it is
damaged.
6. Gear change
We recommend that you avoid pressing down too
hard on the pedals when changing gear to reduce
wear on the chain. Otherwise the chain may wear
out more quickly than anticipated.
7. Lubricating cables and outer casings
It is very important to lubricate the rear derailleur
outer casing for smooth gear changes! This is a
little detail that makes a big difference. A little bit of
lubricant is always welcome.
You will find separate instructions for the
components in the box of accessories supplied
with the bike, or on the websites for the relevant
manufacturers. If you have any questions about
assembly, adjustments, maintenance and use,
contact your approved O2Feel reseller.
Cyclists may get injured if the transmission
components are loose, worn, damaged or not
adjusted properly. Always get your rear derailleur
serviced by your approved O2Feel reseller.
Setting up the Nexus integrated gear hub
Step 1: -position the lever to 3rd gear (for 5-speed
bikes) or 4th gear (for 7-speed bikes)
Step 2: Check the alignment of the yellow dots on
the rear wheel.
Step 3: Use the adjustment wheel on the
handlebars to adjust the position of the yellow dot.
Always contact your approved O2Feel reseller
if:
•
Your chain jumps, or
•
You hear an unusual noise, or
•
The gears do not change seamlessly, or
•
The gear changing mechanism, the derailleur or
any other component of the drivetrain system is
not tightened properly, damaged or twisted, or
•
The chain is faulty or worn.
2.4.3 Wheels
Checking the wheels
The wheels are the point of contact between the
bike and the ground. Ground surface irregularities
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