Park Tool Screwdriver 6mm Flat (SD-6) size-60mm then the BuzzyBee H is

then the BuzzyBee H is the best possible option on the market

6mm diameter fits Shimano®

it bolts just like a stock disc would

FeaturesAssembly: The Eazzy H1 is supplied fully assembled

extra-wide and low profile provide amazing grip in the most demanding conditions

Park Tool Screwdriver 6mm Flat (SD-6) size-60mm then the BuzzyBee H isAbout Park Tool Screwdriver 6mm Flat (SD 6)Shop quality screwdriver designed for comfort and durability. Featuring dual density grips and heat treated tips and shafts. About Park ToolPark Tool are the world's largest bicycle tool manufacturer. Located in St. Paul Minnesota they have been designing and manufacturing bicycle specific tools since 1963. Their dedication to quality and innovation have gained them the reputation for producing the best