Birzman Chainring Nut Wrench (Silver)
Birzman Chainring Nut Wrench (Silver), Birzman Chainring Nut Wrench Description: The Birzman Chainring Nut Wrench immobilises slotted chainring nuts when installing or removing bolts, and is a double ended design featuring 9 & 10mm hex wrenches. Features: Dual ended wrench for chainring bolts/nuts Features both 9mm and 10mm wrench ends Slotted ends grab notches built into chainring bolt backings Specifications: Material: Alloy Steel / High polymer Color: Black/Silver