Thread: Removing and replacing BB on Downtube FS 2006
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Old 03-09-06, 02:08 PM
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maunakea
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The OEM BB bearings on a DT are not sealed. You can replace the OEM BB bearings with a sealed BB unit. Shimano BBs include a sealed type, a UN series. Within the UN series there is a part with 68mm diameter and 115mm length that fits the DT BB.
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