Park Tool HR-11 11mm Hex Wrench Cassons Wide range of gear combinations:

Wide range of gear combinations: 7 options (45/29 → 55/39)

flexible lubricating coating

The stem is one piece of solid 7000 series aluminum extruded billet precision

Last reading alarmSize: 11

Pegoretti hooded dropouts

Park Tool HR-11 11mm Hex Wrench Cassons Wide range of gear combinations:The Park Tool HR 11 is a simple 11 millimeter hex wrench, constructed from through hardened industrial quality steel with chamfered tips for a precision fit. 11 mm hex wrenches are sometimes necessary for removing the freehub bodies from several popular brands of hubs (Mavic, Sun Race, Sovos, and others). Also sometimes used for thru axle hub service. Mfr Claimed Weight TBC