Special steel wrench for Shimano Hollowtech II center assembly.
Manufactured in workshop quality, plus with 8mm internal hex to loosen overloaded or corroded bolts.
ATTENTION: a small tightening torque of 0.7-1.5 Nm is prescribed, the wrench is only used to set the bearing clearance of the central composition.
Sold in packs of 1 or 50.