Bosch Classic+ Spider Alloy Lock Ring

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This is the alloy Lock Ring that holds the front sprocket spider onto the motor drive pinion on the Bosch Classic+ Drive Unit. Remember its reverse thread and only needs to be tigh tened to 30Nm. We also sell the Bosch Classic+ Spider Tool to safely remove and replace this nut. Available from our store. Just to confirm its to fit the following motor shape. If you require a Performance lockring, you can find it here Bosch Active & Performance Lock Ring. Show more