The Shimano XTR Di2 shift knob is fully configurable, for example: it can take care of the derailleur, it can be adjusted so that with each press, it comes up 3 sprockets, or all, or the chain speed from one pinion to another, etc. Thanks to the Syncro Shift you can operate the derailleur and shift with a single pushbutton. The pushbutton is not really such, but a switch that has been modeled to offer behavior very similar to conventional change.
The brand Shimano is the first reference in the world of cycling. It was founded in 1921 by its first president Shozaburo Shimano who devoted himself to the manufacture of free wheels until he died in 1958 and Shozo Shimano took over from the company. In its more than 100 years of historyShimano has continued to grow, innovate and diversify. In 1973 he released the Dura-Ace series and, in 1991, the first XTR series of mountain bike components for professionals. The presidency went from generation to generation to its current president Yozo Shimano, with whom in 2014 the well-known XTR Di2 M9050 series of electronic components for mountain biking and, in 2018, the XTR M9100 thus satisfying all the needs of mountain biking.
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