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The Garmin Tacx® Micro Spline Body is a dedicated freehub body designed to make your Tacx direct-drive trainer compatible with Shimano Micro Spline cassettes. Ideal for riders using modern 12-speed MTB or gravel drivetrains, this body lets you bring your exact outdoor gear setup indoors, preserving your familiar shifting feel and cadence. Engineered to integrate seamlessly with compatible Tacx trainers, it installs in place of the original freehub body, allowing you to mount a Micro Spline cassette securely and ride with confidence during intense training sessions.
Built with durability and smooth engagement in mind, the Tacx® Micro Spline Body is made from robust materials that stand up to repeated sprints, climbs, and long indoor workouts. It is designed to work harmoniously with thru-axle setups and high-torque efforts, ensuring reliable power transfer and consistent performance. Whether you are preparing for technical mountain bike races, gravel events, or simply want your indoor bike to mirror your outdoor drivetrain, this freehub body is a practical upgrade that keeps your training precise, realistic, and hassle-free.
