Rotor BB1 Bottom Bracket - Steel

Rotor Steel bottom bracket with appealing looks and ease of use. The BB1 is incredibly light and will match up with all high end cranks with looks and performance.

Rotor and CeramicSpeed joined forces creating a bottom bracket with appealing looks and ease of use. The BB1 is incredibly light and will match up with all high end cranks with looks and performance, Will work with all 24mm axles using external bearing system.

Bearings are replacable.

This is ideal for those looking to shed every possible gram while at the same time acquiring an incredibly smooth bottom bracket.

• New advanced non contact Laberynth seals give buttery smooth spinning with unparalled protection against dust, water and mud
• New plastic cups offer significantly improved lateral compression and deformation resistance, facilitating crisp shifting
• Developed with the Cervelo racing team in 2009.
• Both versions are available for road (BSA and ITA) as well as MTB use. The ceramic version comes in at an incredible 89g for the road model, and 93g for the MTB, while the steels comes in at 92g for road and 101g for MTB; still quite impressive.