Bosch Active / Performance Spider Plastic Lock Ring
This plastic lock ring has now been replaced by the alloy version here.
This is the plastic Lock Ring that holds the front sprocket spider onto the motor drive pinion on the Bosch Active / Performance Drive Unit.
For the 2014 / 2015 model Bosch eBike years.
Remember its reverse thread and only needs to be tightened to 25-30Nm.
We also sell the Bosch Active / Performance Spider Tool to safely remove and replace this nut. (See related products tab).
Just to confirm its to fit the following motor shape. If you require a Classic+ lockring, you can find it here.