Exchanging the bottom bracket

The following picture series shows the single steps to dismount the cranks and bottom bracket to exchange the latter one. Since cartridge brackets with screwed on bearing cups are quite common, this may help someone as repair instruction. Modern cranks often don’t use tapered square axels but systems like Octalink or Isis – but the general principle is the same, only the extractor may have to be different.

(Please see the German version for more details)

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