Chain wear check tool, chain hook tool, and chainring nut wrenchPrecision laser cut design accurately measures 0.5% and 0.75% chain wearThree-point chain wear tool design properly isolates pin wear from roller wearChain hook tool and chainring nut wrench add functional versatility and valueChain wear tool approved by SRAM® for use on EAGLE® 12-speed chainsWorks on 1 to 12 speed chainsMaterial CompositionStainless Steel
Chain wear check tool, chain hook tool, and chainring nut wrenchPrecision laser cut design accurately measures 0.5% and 0.75% chain wearThree-point ch