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Rotor BB1 BSA24 Bottom Bracket Rotor BB1 BSA24 Bottom Bracket
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BB1 BSA24 Bottom Bracket

Mfg PartNum:C04-004-01010-0
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The Rotor BB1 BSA24 Bottom Bracket offers a lightweight, reliable piece of engineering designed for reliable performance and compatibility. Featuring a lathe and CNC construction, the BSA24 Bottom Bracket features heat treated 7075 aluminum for optimal stiffness without compromising on weight. Inside, steel bearings and labyrinth seals work together to spin effortlessly and prevent contamination.


  • Compatible with all Rotor and Shimano cranks with 24mm spindles.
  • CNC and Lathe heat treated 7075 Aluminum construction.
  • Labyrinth seals and steel bearings.
  • Claimed weight: 96 grams.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Bottom Bracket STD: English (BSA)