Birzman key of the pen

The Pin Wrench is a versatile and adjustable two-hole wrench for various tasks on bicycle components. Thanks to its double-sided design, the tool features hardened pins with a diameter of 2.2 mm on one side and 2.8 mm on the other, providing high flexibility for different applications.

The tool is ideal for working on bottom brackets, cranksets, freewheels, cassettes, bearing cups, and hubs with hole fittings.

The robust construction made of alloyed steel ensures high stability and durability, while the ergonomic high-polymer components allow for comfortable handling.

Features:

• Adjustable two-hole wrench for versatile applications
• Double-sided design with two pin sizes
• Hardened pins for high load capacity
• Suitable for bottom brackets, cranksets, freewheels, cassettes, hubs, and bearing cups
• Compatible with components featuring hole fittings
• Ergonomic and robust design

Technical details:

• Pin sizes: Ø2.2 mm / Ø2.8 mm
• Material: alloyed steel / high-polymer
• Length: 155 mm