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BB30A is an asymmetric bottom bracket found on older Cannondale frames: Synapse
Consider your riding style when selecting bearings
cannot be used in place of the latest generation DB-310 with the new calipers
The result
T47-i24 for Rotor 24mm Cranksets custom BB30A is an asymmetric bottomThis bottom bracket will fit any Rotor crank set with 24mm spindle on a T47 frame with 86. 5mm or 85. 5mm wide bottom bracket shell. While Trek T47 internal bottom brackets are 1mm narrower than standard 86. 5mm wide T47 shells, this falls well within the adjustment range of any crank set. the same bottom bracket can be used for both setups. All internal Kogel Bearings T47 ceramic bottom brackets can be installed with Enduro TorqTite compatible tool.
