The Birzman bottom bracket socket wrench is a precise specialty tool for the installation and removal of Shimano® Hollowtech II? bottom brackets as well as other components with a 16-notch Ø44 mm fitting. Additionally, the tool is suitable for Center-Lock brake disc lockrings, including variants for E-Thru thru-axle hubs.
Compatible with Shimano® adapter tools TL-FC24 and TL-FC25, making it versatile for workshop use.
The CNC-machined design made from hardened steel ensures high stability, precise fit, and long durability.
Features:
- Suitable for Shimano® Hollowtech II? bottom brackets
- Fits 16-notch Ø44 mm bottom bracket cups
- Also compatible with Center-Lock lockrings
- Suitable for E-Thru thru-axle hubs
- Compatible with Shimano® TL-FC24 / TL-FC25 adapters
- High-quality CNC-machined steel construction
Technical details:
- Drive: 1/2" square drive
- Material: CNC-machined hardened steel
- Dimensions: Ø55 × 45 mm