The Birzman Lockring Socket Ø39 mm is a precise specialty tool for the installation and removal of chainring lockrings on Shimano® STEPS E6000 drive systems. The tool is compatible with 16-notch lockrings Ø39 mm and ensures safe, material-friendly power transmission.
The robust, CNC-machined design made of alloyed steel guarantees high stability and long durability – ideal for workshops and professional service work on e-bikes.
Features:
- Specialty tool for Shimano® STEPS E6000 drive systems
- Compatible with 16-notch lockrings Ø39 mm
- For installation and removal of chainring lockrings
- Precise fit for secure hold
- High-quality CNC-machined steel construction
Technical details:
- Drive: 1/2" square drive
- Material: CNC-machined alloyed steel