Descriptions: Install tool for Shimano Hollowtech 2. Designed to fit externally ringed bottom brackets. Install tool for Shimano Hollowtech 2 and preload tensioning tool. If in doubt there are some great videos on YouTube covering the installation of Hollowtech II Bottom Brackets.
Features: Powder-Coated Steel Comes with the preload tensioning tool Will fit externally ringed Bottom Bracket
1 X BB Bottom Bracket Install Spanner Shimano Hollowtech II 2 Wrench Crankset