Firebolt Shifter - Seamless Control.Instant Response With ergonomics based on Shimano’s Rapidfire beginnings, the Di2 Firebolt shifter offers unrivaled, intuitive shifting thanks to its shorter lever throw and decreased shift effort.
Shimano’s Firebolt customizable shift button placement is determined entirely by human ergonomics. This means that the shifters are now exactly where your thumbs naturally rest. Shifts can happen more quickly, allowing you to adjust to the terrain and your desired effort like never before, taking Shimano’s Rider Tuned concept to an entirely new level.
Improved efficiency: The XTR M9050 derailleurs communicate gear position and automatically execute front and rear shifts when riders select a sequentially larger or smaller gear. This improves efficiency by minimizing time spent on smaller chainrings and cogs
Personalized shift mapping: Riders can program when front shifts occur through two customizable shift maps based on terrain and personal preferences. An audible alarm will warn of an upcoming front derailleur shift so that a rider can choose to remain in a given gear
Total control: On a mountain bike with both front and rear Firebolt shifters installed, the rider can manually shift at any time. Synchronized Shift becomes another available tool for riders, not a requirement. With a touch of a button, riders quickly choose between synchronized maps or choose manual mode for complete control
Independent lever position adjustment
Ergonomic rotary shift lever matches natural hand movement
Short stroke, perfect click levers provide faster, more accurate shifting
Increased trail readiness thanks to decreased shift effort and superior ergonomics
Programmable, multi-shift and Shimano Synchronized shift functions
The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts
Shimano's FIREBOLT customizable shift button placement has been designed entirely by human ergonomics, this means the shift buttons now sit exactly where your thumbs naturally sit
Shifting can now happen as quickly and effortlessly as possible thanks to the super light Short-stroke lever, giving you more time to adjust to the trail ahead
Shifter is completely customizable, using E-tube software you can program the shifting to your preference
Synchro Shift compatible meaning both front and rear shifting can be achieved through the use of just a single shifter
For use with E-tube electric cables
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