Tange-Seiki LN 3922 JIS cartridge bottom bracket
Tange-Seiki has been making quality headsets and bottom brackets in Japan since before your parents were born.
Features ultra-smooth sealed cartridge bearings, solid boron steel spindle and steel cups.
Pro tip: The crankset being used determines spindle length, not the frame. Please check what length the manufacturer recommends for your crankset or measure your existing BB's spindle.
• 68mm English-threaded (1.370" x 24 tpi)
• JIS square taper
• steel cups & sleeve
• spindle length: 103, 107, 110mm
• requires Park Tool BBT-22 for installation & removal
• crank arm bolts are not included
• weight 325g (110mm)