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The Shimano 105 BB-5500 Octalink 68 (BSA) 118.5 bottom bracket offers the power transfer of a conventional square taper spindle; the 8-spline OCTALINK interface connecting the bottom bracket shell and cranks increases the strength and stiffness of the entire assembly.
DETAILS
- Type: Octalink
- Width: 68mm
- Thread: BSA
- Length: 118.5mm
