Originally Posted by
iwednesday
On a slightly off topic note, can you change a cartridge BB for an external BB?
If by "external BB" you mean external bearings, then sure provided the cranks are designed to work with those bearings. Usually, the spindle (axle) is incorporated into the right crankarm, and the left crankarm clamps or bolts onto the spindle after it is inserted through the bearings from the right side of the frame.
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