Sunlite Old School American Bottom Bracket for Three Piece Cranks
American style BB for square taper three piece cranks
Steel construction
Loose ball bearings (pack with grease when installing)
Material: Cup and Spindle are Steel
Size: Shell 68mm / Interface: 24 tpi / Spindle Length: 122mm / Spindle Type: Squared SQR JIS
Weight: 517 grams / 18.23 ounces