Yes, they are both 109.5mm Octalink v.1
The BB-7700 can be serviced, so it's worth taking it apart and re-greasing if the bearings are basically in good condition.
@gbj_tester started
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Yes, they are both 109.5mm Octalink v.1
The BB-7700 can be serviced, so it's worth taking it apart and re-greasing if the bearings are basically in good condition.