ES25 Splined bottom bracket for use with Shimano Octalink chainsets. Shimano Octalink Bottom Bracket. 68mm x 113mm.
Shimano UN300 Bottom Bracket Bike Cycle Bicycle BB Square Taper Sealed Cartridge
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Shimano Saint Bottom Bracket M810 Hollowtech II 68/73mm Mountain Bike BB 24mm
Shimano bicycle bottom bracket cable guide.
