Shimano’s XTR Di2 mountain bike groupset has an electronic display. Again, enter adjustment mode as described for the rear derailleur and then use the front mech shifter levers to fine-tune the mech position until there is a very small gap between the chain and derailleur.
Set the bike to the small chainring at the front and largest sprocket on the cassette. Set the chain on the largest chainring and smallest sprocket and adjust the clearance so there is a very small gap (around 1mm) between the cage and the chain.
Tracksift 2 downlload how to#
Next, shift to the smallest cassette sprocket and adjust the high limit screw until it lightly contacts the linkage, as with the low limit screw, but then back the screw off one full turn to allow the derailleur to over-stroke (a feature that improves the shift speed) How to set up and trim your front derailleurįirst you need to set the high limit screw. Shift the derailleur into the largest cassette sprocket and set the low limit screw until it just makes contact with (but does not move) the derailleur linkage. This is important because poorly set limit screws can lead to excessive battery drain and damage to the derailleurs. You’ll need to check that the high and low limit screws on your derailleur are set correctly and may need to adjust them too. Once you’ve got your rear mech running sweetly, press the junction box/controller button again to exit adjustment mode. You can then use the up and down rear mech shift levers to micro-adjust the position of your derailleur as you spin the cranks. How to set up and trim your rear derailleur That said, a fully charged battery should get you thousands of kilometres. It means that you won’t be left totally in the lurch by a low battery. When the charge does get very low, your front mech will stop shifting first, leaving you with the rear derailleur only to get you home. Drop below this and you’ll see a blinking red LED displayed. Once you get to between 50 per cent and 25 per cent, you’ll see a continuous red LED. At 50 per cent or above, the green LED will blink five times. If your battery level is at 100 per cent, you will see a continuous green LED. The junction box on road bikes can be located under the stem, in the end of the handlebars or, on some bikes, mounted in the frame. It’s easy to check your Di2 battery’s charge level: hold down a shifter for half-a-second or more and the LEDs on your Di2 junction box will flash. Hold down a shifter for half-a-second or more and the LEDs on your Di2 junction box will flash to indicate charge level.
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