Sealed 24TPI Professional BB Bike Bottom Bracket - Threaded Cup Set 1/4" Bearings

First Components Professional
Threaded Cup Set
with 
Rubber Seals

Comprising of

• 2 x 1/4" caged bearing races 
  (9 balls per cage, 29mm outside cage diameter)
• 1 x Right side fixed cup (left hand thread) 34.8mm diameter
• 1 x  left side adjustable cup, 34.8mm diameter
• 1 x Lock ring

For use on cycles that use a separate bottom bracket axle
24TPI British thread