The Birzman Chainring Nut Wrench made of high-quality tool steel is a practical tool for repair or maintenance works on your drivetrain. Compatible with most slotted chainring bolts, this tool helps you hold the screw insert. In addition, the wrench features a 2-pin tool for the installation/removal of integrated crank pullers as well as 2 hex key wrenches in 9 mm and 10 mm.

Features-

• For common slotted chainring nuts
• 9 mm and 10 mm hex wrenches
• 2-pin tool for installation/removal of common integrated crank pullers
• Rubberised grip