Both derailleurs are still connected to a single battery, the BT-DN300. Shimano's 12-speed semi-wireless Di2 groupsets feature wireless shifting. This way the most battery-hungry operations are disabled and you should be able to finish your ride using just the rear derailleur. Once the battery level reaches 10% the front derailleur will stop working. It takes most people months to ride 2000-5000km and most Di2 users don’t charge their bikes more than three times a year. This means that if you use the front derailleur a lot your battery will run out a bit quicker – don’t let this stop you from using the front derailleur though. The front derailleur has to work harder than the rear derailleur and therefore also consumes more energy. This depends a bit on how often you shift and also your shifting style. How often do I charge my bike? And how?Ī modern Di2 battery will last between 20 kilometers per charge. Pressing the Y button will shift to a smaller cog or sprocket - a harder gear. Pressing switch X (larger button) will shift to an easier gear - a larger cog or sprocket. Shifting the rear derailleur works just like shifting the front derailleur - you press either switch on the side of the right shift lever. Pressing the smaller of the two buttons will shift to the small ring - an easier gear. If you find it hard to remember which button shifts up or down, think of it this way: pressing the larger button will shift to a larger chainring. In order to shift the front derailleur, you use the left lever and press either switch X (the bigger button) or switch Y (smaller). So how do you shift a Di2 bike? How do you change gears with Di2? Simple! Just press the buttons on the side of each brake lever as shown in this image: So you may or may not have found the buttons on top of your shifter hoods, but those don't actually change the gears. If one of the buttons gets pressed while driving you may end up at your destination with the bike in a different gear than you started out with. Since there isn't any off switch, take extra care when putting the bike in the back of your car. These don't necessarily switch the Di2 system on, but their main purpose is to start or stop the motor unit or pedal assist. These sometimes do have dedicated on/off switches. The only exception to this rule is E-bikes. You do not have to " wake up" the bike before it'll work. When you press any shifting switch or button, your bike will immediately shift the corresponding derailleur or hub. Generally speaking, a Di2 bike is always switched on. Sometimes people ask me: "is it possible to switch off my Di2?", or: "How do I switch my bike on?". Ever.ĭi2 is available on road bikes, mountain bikes, e-bikes, and since 2019, gravel bikes. You do not have to re-index Di2 systems or replace the shift cables. Once the system has been set up and shifting fully dialed in, it keeps running smoothly, all the time.
You can change gear even under heavy load while climbing or accelerating.
Even in the most extreme conditions, shifting is precise and controlled. DI2 gives you instant, accurate, lightning-fast shifts the first and every time, at the push of a button.
KOMPLETE 12 ULTIMATE BOX VERSION COME WITH HARDRIVE FULL
And even when it does it is usually horribly outdated or full of the information you just don’t need right now. When you buy a Di2 bike it generally does not come with a Di2 manual.
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