FSA American-Mid Bottom Bracket

1.1/8" semi-cartridge type bottom bracket. 1.1/8" Steerer. Alloy top cover. For 49mm OD head tube.

Chromoly cups. 22mm or 19mm

Mid bottom bracket bearings Includes cups to fit American bottom brackets

Stack Height 10.7 3 = 13.7mm.

Weight: 109g.