Birzman BSA30 / 386 B.B. Tool - Bottom Bracket Wrench 1/2"

The Birzman bottom bracket tool is a high quality CNC-machined aluminium wrench bit socket for BSA30 BB cups on one side and for BB386 bottom brackets on the other. Just put on the Birzman ratchet with 1/2 inch drive and let's go.

Compatibility

• Rotor BSA 30, RaceFace Cinch, Zipp Vuma, Hawk Racing BB3086 and other external bottom bracket cups with 12 notches and 46.5 mm diameter
• FSA EVO 386 an other external bottom bracket cups with 16 notches and 48.5 mm diameter