ISIS BB Installation. American Classic ISIS Bottom Bracket Installation. All installations should be performed by a Professional Bicycle Mechanic. A Torque .
Since specific tools and experience are necessary for proper installation, it is ISIS, JIS, PowerDrive Bottom Brackets (68, 70, 83, including E-type). All ISIS, JIS .
This article will discuss how to remove and install threaded cartridge bottom brackets, including three-piece cranks, external bearings, and T47.