Rotor ‘s BB 386 EVO PressFit 4624 Road Steel Bottom Bracket. Utilising advanced non-contact labirynth seals which yield a buttery-smooth spin with unparalleled protection against dust, water and mud. The Ultra-rigid plastic caps give high compression and deformation resistance, facilitating crisp shifting.
• Rotor BB 386 EVO PressFit 4624 Road Steel Bottom Bracket designed to work with ROTOR and Shimano 24mm cranksets
• Diameter BB shell: 46mm
• 100% CNC-machined, 7075 aluminum
• Silicone seals and centre sleeve
• Bearings: Steel
• Colour: Black