Compatible with DUB spindles in an internal T47 interfaced frameWhile Trek T47 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 setupsAll Kogel Bearings T47 ceramic bottom brackets can be installed with Enduro TorqTite-compatible tool86.5mmT47DUBAlloyBlackRoad