Park Tool Socket Y Wrench 8/9/10MM ST-3 drumbeat21-509 low profile base plate stays

low profile base plate stays on vehicle for easy mounting/removal of upper rack

and leg warmers are a staple for any serious rider because of their convenience and effectiveness at insulating you from the cold and wind when conditions demand it

medium frame designed around our Expansion View Technology (EXV) to deliver a wide field of view with a more minimal footprint that's comfortable on a variety of face shapes and sizes

6% Spandex

Park Tool Socket Y Wrench 8/9/10MM ST-3 drumbeat21-509 low profile base plate staysThe Park Tool ST 3 combines the three most common bolt and nut sizes found on a bicycle into the iconic shape of a Park Tool 3 way wrench, for use on brakes, racks, accessories and more. forged chrome vanadium steel sockets. ST 3 Features 8 mm, 9 mm, and 10 mm sockets