Shimano is reportedly on the brink of a major update to its Di2 mountain bike drivetrain system, following a long hiatus since its last XTR mechanical update. The emergence of SRAM's user-friendly wireless drivetrain systems in the market has created increased competition, amplifying speculation about Shimano's electronic offerings. Patents suggest that Shimano may even leap directly from a 12-speed to a 13-speed system, emphasizing their commitment to innovation in an evolving cycling landscape.
It's been almost 7 years since Shimano updated XTR with mechanical M9100. That top-tier mountain bike groupset is no slouch... but it's not electronic.
SRAM has delivered countless wireless drivetrains that are easy for anyone to set up, effortless to shift, and can be readily mix-and-matched between road, gravel & mountain bikes.
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