“OS-Fit” adaptors for frames with over-sized bottom brackets.
- By VeloNews.com
- Published Sep. 4, 2008
On a standard threaded bottom bracket, the lateral position of Ultra-Torque cranks is held in place by means of a snapring on the drive side that locks the drive-side bearing inboard of holes in the threaded external bearing cup. But what about a current Trek Madone or a BB30 frame? Campagnolo, and, in this case, its fully-owned subsidiary, Fulcrum, have come up with new “OS-Fit” adaptors for frames like this and a tool for installing them.
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On a standard threaded bottom bracket, the lateral position of Ultra-Torque cranks is held in place by means of a snapring on the drive side that locks the drive-side bearing inboard of holes in the threaded external bearing cup. But what about a current Trek Madone or a BB30 frame? Campagnolo, and, in this case, its fully-owned subsidiary, Fulcrum, have come up with new “OS-Fit” adaptors for frames like this and a tool for installing them.
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