The PARK TOOL SR-12 chain rod allows you to hold your 5 to 12 speed cassette in place so you can dismount it using a freewheel dismount tool.
Designed in treated steel, the SR-12 chain rod is very solid. It has special pins in dipped steel for good chain grip. Its sleeve is covered in PARK TOOL blue plastic for increased comfort.
Tool Type : Chain Whip Tool