English (BSA) Bottom Brackets – Wolf Tooth Bottom Bracket – English (BSA),
The weather sealing is best-in-class, with o-ring seals on the spindle and inner shell, a wiper connection seal between the bearing and end cap, bearing race seals, and a labyrinth end cap design. Wolf Tooth bottom brackets are machined at Wolf Tooth in Minnesota, USA.
Wolf Tooth Bottom Bracket – English (BSA), 68/73mm, For 24mm Spindle, Black
Color is black. These are top notch bottom brackets but I decided to go with a color one instead of black. Details from the manufacturer are listed below. No proprietary tools required. Wolf Tooth BSA Bottom Brackets use standard spline tools.