Trident ISIS BB3 Sealed bearings.Cr-Mo cups.

Hardcore use ISIS BB that won't let you down.This Triple bearing unit keeps your cranks turning fo longer. THE DIPPED centre helps the installation of the Bottom bracket by giving more clearance thus not fouling the frame lowering the risk of cross threading.•68mm x 113mm•Heavy duty 3 sealed cartridge bearings.•Low profile dip centre. (improved inner frame BB clearance.)•TAF Cr-Mo cups. (Strong and reliable).•CNC Machined steel threads.•Secondary water seals on cups.•E-type suitable for use with chain devices if desired.•Can also be used on 73mm BB shell