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Adjustment - Front Derailleur
1. Shift the rear shifter to the smallest number indicated, then shift
the front shifter to the smallest number indicated. Disconnect the
front derailleur cable from the cable anchor bolt and place the
chain on the smallest chainwheel.
2. Make sure the front derailleur cage is parallel with the outer
chainwheel on the crankset. There must be a 1-3mm gap between
the bottom of the derailleur cage and the top of the outer chainwheel
teeth to ensure the derailleur will clear the chainwheel when shifting.
3. Adjust the Low limit screw so the chain is centered in the middle of
derailleur cage. Pull all slack out of the cable by pulling it taut, then
reconnect the cable and tighten the cable anchor bolt securely.
4. Shift the front shifter into the largest gear and pedal the bike so the
chain jumps to the largest chainwheel. If the chain does not shift
onto the largest chainwheel, you will need to turn the High limit
screw counter-clockwise until the chain moves to the largest
chainwheel. If the chain falls into the pedals, the High limit screw has
been turned too far. You will need to readjust the High screw
clockwise in 1/4 turn increments until the chain no longer falls off.
5. Shift through each gear ensuring all are achieved quietly and without
hesitation.
6. The barrel adjuster for the front derailleur is located on the shift
mechanism. Turning clockwise will decrease cable tension and
allow the front derailleur cage to move away from the bike, while
turning counter-clockwise will increase tension and bring the cage
closer to the bike. If you are experiencing problems shifting between
gears, use the barrel adjuster to fine-tune the cable tension.
NOTE: It may take several adjustments to achieve the desired positioning.
Cable Fixing Bolt
Outer Chainguide
Inner Chainguide
Low Adjusting Screw
High Adjusting
Screw
Chainguide
clearance of
1-3 mm