Shimano BB93 English Threaded 68/73mm Bottom Bracket
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Shimano BB93 English Threaded 68/73mm Bottom Bracket
Shimano BB93 English Threaded 68/73mm Bottom Bracket Info
The Shimano BB93 English Threaded 68/73mm Bottom Bracket is a straightforward, reliable shell-type bottom bracket designed for use with Shimano's Hollowtech II crankset systems. Built to fit standard English threaded frames with 68mm or 73mm shell widths, it covers the two most common road and mountain shell dimensions in a single unit — making it a dependable choice whether you're building up a new drivetrain or refreshing an existing one.
Shimano's cup-and-cone bearing design keeps the BB93 serviceable and consistent over long mileage, and the outboard bearing configuration is designed to reduce flex at the interface between crank and frame. Installation is clean and tool-friendly, threading directly into the frame shell without the compatibility headaches that press-fit systems can introduce.
Shimano BB93 English Threaded 68/73mm Specs at a Glance
- Shell compatibility: English threaded (BSA)
- Shell width: 68mm or 73mm
- Crankset compatibility: Shimano Hollowtech II
- Bearing type: Outboard cup-and-cone
- SKU: ISMBB93B
