If the arm of the derailleur starts to rattle on the spokes or the chain goes over the biggest cog and falls off you need to turn the l limit screw clockwise to limit the derailleur s range of movement.
Dura ace 9000 front derailleur limit screws.
Front derailleur fd 9000 fd 6800 fd 5800 fd 4700.
If the chain won t go into first gear the biggest cog you need to turn the l limit screw anti clockwise to allow it to move further.
Sram rival1 rear derailleur cable anchor limit screw kit 11 7518 061 000 models in store one size.
Now press and hold the button on your junction box a until the led next to it lights up red.
If the derailleur cage is too far above the large chainring it is more likely to shift poorly.
Low limit electrical adjustment is only available on current generation front derailleurs ultegra fd r8050 dura ace fd r9150 grx fd rx815 shift the front derailleur to the small chainring and the rear derailleur to the largest sprocket.
Shimano dura ace r9100 front derailleur fitting guide mounting bolt 5 7nm 5mm hex pinch bolt 6 7nm 4mm hex if you found the video helpful and would like.
Shift the rear derailleur into the top gear 1 and turn the top limit screw until the outer plate is within 0 0 5mm of the outside edge of the chain.
If the derailleur is too low it may scrape against the chainrings or jam the chain when shifting.
The front derailleur maintains its compact and smooth appearance for the dura ace r9100 series.
At this point the rear bottom of the front derailleur s outer cage plate should be about 1 2 a millimeter inboard of the large chainring.
Shimano actually recommends using an allen wrench as a guide hence the image above.
Low adjustment screw and align the front end of the outer plate of the chain guide parallel to the surface of the largest chainring.
Quick guide for installing or right alignment of the front derailleur 1st video of 9000 derailleur how to put properly and to use our judgement tool.
Before checking limit screw adjustments check the derailleur positioning.
At this point adjust the chain guide so that its rear end is 0 5 1 0 mm inside.
Adust the lower limit screw until the outer plate is parallel and directly inline with the large chainring.
Thanks to its clever design it can handle a cassette range of 11 30.
Dura ace 9000 front derailleur converter tool tl fd90.