ACS CROSSFIRE 13T-18T BMX Bicycle Single Speed Freewheel Tool (6 spline, proprietary)

ACS BMX (single speed) Freewheel Removal Tool for Crossfire freewheels

6 spline interface, only used on ACS Crossfire freewheels. Fits all sizes of Crossfire freewheels (13T to 18T)

This will ONLY fit ACS Crossfire freewheels.

The hex portion is 24mm and it can be used with a wrench or with a vice (I actually use an impact wrench with mine - works like a charm).