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Derailleur Adjustments
Your bicycle is generally fitted with one derailleur located to the rear, or sometimes a front
one and a rear one. They are operated by the gear shifters; the front one on the left of the
handlebars, and the rear on the right of the handlebar. There are two types of shifters; the
twist style (turn towards you for easier hill ascension or away from you to go downhill), or the
push and pull trigger style shifters (where you push with your thumb to go up in the gears
and pull with your index finger to shift down in the gears).
To adjust, use the adjustment knob to tighten or loosen the derailleur cable. You can also
use the two adjustment screws so that the chain does not come off when free-wheeling.
Rear Derailleur Travel:
To prevent the chain from jumping off the cogs, it is important to adjust the derailleur travel
using 'H' and 'L' stops (figure 5).
•
Screw H enables the lower stop to be adjusted (small cogwheel): untightening this
screw enables the chain to position itself to the outside of the small cogwheel.
•
Screw L enables the lower stop to be adjusted (large cogwheel): untightening this
screw enables the chain to position itself to the outside of the large cogwheel.
stop
Cable bolt washer
Frame bolt
Frame bolt
H stop screw
L stop screw
Figure 5
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