ISIS Drive Bottom Bracket Tool - 1/2" Drive Tool Velcro closure quick and easy

Velcro closure quick and easy adjustment

But we think it's a misconception that you can't provide race-ready performance in a package that's built to take some abuse

like compatibility with full cable routing

Uses straight-pull spokes

Easily swap lens to a different tint to always have the best vision in different light conditions

ISIS Drive Bottom Bracket Tool - 1/2" Drive Tool Velcro closure quick and easyTruVativ tools designed to service Bottom Brackets. Required for TruVativ ISIS drive bottom brackets 1 2" Drive with 32mm flats Compatible with Shimano Dura Ace and XTR style lockrings Compatible with Bosch GEN 3 (Active Line) lockrings