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Shimano XT M8100 12s drivetrain review – the almost perfect drivetrain | ENDURO Mountainbike Magazine

Where’s the test of the Shimano XT 12 s rear-derailleur? It’s a question we’ve been hearing a lot over the past 14 months. Since high-end drivetrains always work smoothly when new, we decided to take our time with the Shimano XT drivetrain and test it thoroughly over an extended period of time.