Park hr14 14mm hex wrench for 78507900 freehub bodies the hr 14 is an l shaped 14 mm hex wrench used for the removal of instant pick up shimano freehub bodies and some other freehubs suitable for xtr 970975 xt 770775 saint 810 dace 78507900 series freehub bodies the short shaft is 50 mm and the long shaft is 260 mm for increased leverage made from industrial quality high torque steel chamfered tips for a tight fit in the bolt