Wrench to unscrew crank mechanism

Designed for screwing and unscrewing Hollowtech II bearing cups into the frame. from Shimano, Truvativ, Gxp, Campagnolo, Fsa cups as well as all others using this important standard, the wrench can also be used to install or remove brake discs on Center Lock hubs with E-THRU 20mm axle, wrench comes with a rubbered non-slipable handle .