External BB/Ace Lockring Tool
External BB/Ace Lockring Tool, External bottom bracket tool which also doubles as a lock ring tool for the Priority Ace. Unlike many bottom bracket tools on the market, the deep well socket fits over the axle and dished sprocket of the Ace to access the lock ring. A must-have tool for those who like to tinker with gear ratios, or would like to install a fixed gear sprocket. Heavy duty tool steel construction and 1/2" drive for a socket wrench.