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  • Chain Wear Check Tool, Chain Hook Tool, and Chainring Nut Wrench
  • Precision laser cut design accurately measures 0.5% and 0.75% chain wear
  • Three point chain wear tool design properly isolates pin wear from roller wear
  • Chain hook tool and chainring nut wrench add functional versatility and value
  • Chain wear tool approved by SRAM for use on EAGLE 12-speed chains
  • Works on 1-12 speed chains