The Lezyne Chain Drive is a shop quality chain breaker designed for use with 8/9/10 speed chains. The steel body is CNC machined for precision and contoured for improved ergonomics. The replaceable breaker pin is made of hardenend steel and a spare pin is included. Two Mavic splined and two square spoke wrenches are integrated into the body.
In Mountain Bike Magazine's recent test of numerous chain tools available on the market, Lezyne's Chain Drive got 5 stars...."Small, light, high quality." And there you have it.
wrench : Mavic Splined Road and MTB, 3.22, 3.45