Vintage American Classic Titanium Sealed Bottom Bracket 113 mm 90s MTB 146g XTR
Axel: Hollow 6AL-4V Titanium – 113mm. This bottom bracket uses a proprietary tool for cup installation/removal (not included). Model: Titanium G.I.S. (Grease Injection System). Shell: BSA 68/73 mm. In good condition.