Tange Seiki LN3922 JIS cartridge bottom bracket

The LN3922 is a maintenance-free, sealed cartridge bottom bracket with a JIS square tapered spindle designed for single ring cranksets. 

Features ultra-smooth bearings, a hollow cro-mo spindle, and a steel body and cups.

 

ⓘ 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.

Specifications

• steel body & cups

• 68mm English threaded (BSA)

• spindle lengths: 103mm, 107mm, 110mm

• JIS square taper

• bearing type: steel sealed cartridge

• requires Park Tool BBT-22 for installation & removal

• crank arm bolts are not included

• weight 325g (110mm)