The Park Tool HCW-4 Crank and Bottom Bracket Wrench is a double ended tool that will fit on the two common types of fittings on cup and cone bottom brackets. One end is for fixed cups, fitting to 36mm raised wrench flats, while the other side is for adjusting cups with pin holes. This side uses a pin spanner with two pins. The wrench is nickel plated and heat treated for maximum durability and a life of use.
bicycle cleat reliability-Park Tool Crank and Bottom Bracket Wrench - HCW-4
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