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3x3 and single-speed hubs

Guides for the 3x3 hub and the single-speed rear hub.

The 3x3 electric shift unit mounted on the rear hub of a Booda, next to the brake disc.3x3 hub: shifting problems and recalibrationWhat to check when the electric shifting on a Booda Alpine 3x3 or Pulse 3x3 stops working, and how to update and recalibrate the hub in the 3x3 app.Drawing of the SpinnerOne rear hub with the outer rim of the belt sprocket highlighted where it is gripped.Cleaning the SpinnerOne rear hubHow to remove, clean and lightly oil the removable sprocket unit of the SpinnerOne single-speed rear hub on the Booda Pilot, Atlas, Sander and Astro.