Birzman BSA30/386 Bottom Bracket Socket Wrench

The Birzman bottom bracket socket wrench for BSA30 / 386 bottom brackets is a high-quality, double-sided tool specifically designed for the increasing prevalence of crank axles with a diameter of 30 mm.

Made from precisely CNC-machined 7075-T6 aluminum, this tool impresses with its high stability, low weight, and exact fit. The precise teeth engage cleanly with all notches of the bottom bracket, preventing damage or "fraying" of the bearing cups.

The tool is also compatible with bottom brackets from:

• Rotor® BSA30
• SRAM® DUB BSA (axle diameter Ø28.99 mm)
• Race Face® Cinch
• Zipp® Vuma
• Hawk Racing® BB3086
• FSA® EVO 386 / 392

as well as other bottom brackets with 12-notches / 16-notches and Ø46.5 mm / Ø48.5 mm outer diameters.

Features:

• Double-sided bottom bracket tool
• Precisely CNC-machined from high-quality 7075-T6 aluminum
• Gentle and precise power transfer
• High durability and professional workshop quality

Technical details:

• Drive: 1/2" square drive
• Precisely CNC-machined from high-quality 7075-T6 aluminum