Park Tool HCW-4 Crank and Bottom Bracket Wrench EOSSale creating a durable anticorrosive layer

creating a durable anticorrosive layer of protection on your bike’s frame

5 rear wheel delivers a snappier feel and more saddle-to-tire clearance

Stumpjumper M4 HT - 2006-2007

Whether you're after daily commuting

As the only dual-sided pedal platform

Park Tool HCW-4 Crank and Bottom Bracket Wrench EOSSale creating a durable anticorrosive layerThe Park Tool HCW 4 is a double ended wrench that fits two common fittings found on adjustable cup and cone bottom brackets. One end is compatible with the raised 36 mm wrench flats commonly found on fixed cups, and the opposite end features a pin spanner with two pins to fit many adjusting cups with pin holes. Heat treated and nickel plated for a lifetime of use. Specifications Center to center measurement between pins: 29 mmPin diameter: nominally