CHAIN CAMPAGNOLO EKAR CN21 1x13s 118L - UT-CN400 CHAIN TOOL REQUIRED Campagnolo`s EKAR chain is specially made to be used with the new EKAR 13 speed 1x drivetrain Requires the use of Campagnolo chain tool designed for EKAR 13 speed chains Available with or without a connecting link, Campagnolo 13sp chain tool required for installation of the model without connecting link Drivetrain: 13 Speed Length: 118 Links Note: Campy Chain Tool Required Color: Silver