The Lezyne 11 Speed Chain Drive is a shop quality chain breaker designed for use with 11 speed Campagnolo chains. The steel body is CNC machined for precision and contoured for improved ergonomics. The replaceable breaker pin and backing bolt are made of hardened steel and designed for flaring 11 speed chain pins; a spare pin included. A guide pin removal tool and spoke wrenches (2 Mavic splined, 2 square) are integrated into the body.
wrench : Mavic Splined Road and MTB, 3.22, 3.45