What is Crash mode on di2?

Shimano’s Di2 electronic drivetrain has a protection mode that it defaults to when it thinks there has been a crash. What is really happening is, the Di2 derailleur motor disconnects from the cage in an effort to minimize damage.

How do I reset my di2?

To reset the system, press the button on the handlebar switch (SM-EW79A) for at least five seconds to re-connect the solenoid to the parallelogram. Double check the shifting and fine tune the derailleur, using the shift adjust mode as necessary.

How do I get di2 out of crash mode?

The derailleur will cycle through all the gears and re-connect the motor to the cage to restore shifting capabilities. There is nothing you have to do to get the system out of crash or protection mode. Once the derailleur stops moving it automatically takes itself out of that mode and goes back to normal.

What does a green and red light mean on di2?

If you see a green light for about two seconds, you have a fully charged battery. If a green light flashes five times, the battery is at about 50 per cent. A solid red light means about 25 per cent of the battery’s charge left. A flashing red means that it’s almost dead.

What happens if di2 battery dies?

If the battery dies completely, a rider can disengage the system and manually move the derailleur into the proper position to get home.

How many years does Di2 battery last?

A modern Di2 battery is said to last between 2000 and 5000 kilometers per charge. This depends a bit on how often you shift and also your shifting style.

Which is better eTap or Di2?

In particular, the Di2 front shift is faster because in an eTap system the brain in the rear mech has to decide whether it’s detected signals from both switches on the levers or just one. Dura-Ace R9150 Di2 is also even more customisable than AXS, not least because there are more buttons to customise.

Are all Di2 wireless?

While the D-fly or Wireless BluetoothLE / ANT module is not standard on Di2 road bikes, quite a lot of riders choose to install one. This page is not all about road bikes either, the wireless functionality comes standard on mountain bikes and STEPS / E-Bikes generally come with the connectivity too.

Is Di2 race legal?

Hi there, are Shimano Dura-Ace Di2 and Ultegra Di2 race legal for both road races and triathlons? Regards. Yes. As far as I know, the only rule in any way restricting the use of Di2 or Ultegra Di2 is the UCI rule concerning the length of your aero extensions.

Is the Shimano Di2 rear derailleur safe to use?

Just the first step to get your Di2 shifting again. That’s it, a simple fix. Now, remember that this doesn’t mean the derailleur is safe to use. It only means that it’s out of the protection mode and ready for further assessment for damage.

How to micro adjust your road bike Di2 rear derailleur?

Now you can micro-adjust your rear derailleur using the buttons on the shift lever: Press shifting button X to move the rear derailleur one step towards the inside (larger sprocket) While turning the crank/front chainring keep moving the rear derailleur towards the 4th largest sprocket until it makes a slight noise

Is it possible to upgrade an Ultegra 6770 to a Di2?

With the exception of the DURA-ACE 7970 series Di2 Shimano have actually been pretty good with regards to backwards compatibility. This means that it is relatively simple to upgrade an Ultegra 6770 10 speed bike to 11 speed Di2.

What to do if your rear derailleur does not shift?

Only shimano can really tell you for certain. A local dealer ran the diagnostics and did some manual troubleshooting. Turned out to be the right shifter that was broken. Got a replacement for free (thank you shimano), and it looks like that did the trick.