An important cycling part the missinglink campagnolo 10 speed from kmc allows you to fit and remove a chain with only an opening tool required the non reusable speed chain has a pin length of 590mm and is designed for use with kmc and campagnolo 10 speed chains rk key features kmc missinglink campagnolo 10 speed chain for use with kmc and campagnolo 10 speed chains pin length 590mm includes 2 complete quick lines 4 pieces opening tool required not included not reusable