The Tangent External Euro bottom bracket carries its bearings outside the frame shell, so it threads into a 68 to 73mm BSA 1.37" 24T shell and takes any crank with a 24mm spindle. The cups are fully CNC machined from 6061-T6 alloy and spacers are included.
The bearings are precision Japanese units chosen for smooth rolling. The alloy dust caps are custom sized to remove the need for plastic or alloy spacers when fitting Shimano DXR cranks and many others.
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