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Sette ST-217 Chainring Nut Wrench
A Simple tool for a Simple Job
The Sette ST-217 Chainring Nut Wrench is a simple, straight forward tool for use when working on your chainring bolts. It enables the mechanic to gain leverage and stop the female part of your chainring bolt from rotating while tightening or removing the male part of the bolt. The ST-217 can also be used for the same purpose on replacement derailleur hangers.