The Bosch lock ring tool also reffered to as the Bosch Spide Tools is designed for removing and mounting the aluminum lock ring that holds the chainring in place on all Performance, Performance CX and Active Series* ebike mid drive motors.
Simply attach the Bosch Lock Ring Tool using a 1/2" racket to quickly remove and retighten the lockring in place and to prevent damage.
The Bosch Lock Ring Tool is a must have for those owners of electric bicycles equipped with the Bosch mid drive motors.
For more information, contact one of our electric bicycle experts today who can answer any questions about the Bosch Lock Ring Tool.
*Note: For bikes equipped with Acitve Series motors. This item works only with pre-2018 Active Series motors equipped with sprokets with <20 teeth.