Frame standard : BSA
Axle : IDS24
Cup thread : BC1.37x24T
BB shell width : 68mm
Bearing : Ceramic (Dark grey) / Steel (Silver)
The BB series features advanced seal design to protect bearing against water and dust and offers excellent rotation performance for smoother pedal strokes. Service and maintenance of the bearing are not required.
Left and right cups separated, joining the cups with a plastic sleeve, optimized design for light weighting.
A slim sleeve allows Di2 wire to go around it.
What type of bottom bracket do I need for my bike? Please check ;
BOTTOM BRACKET LIST for road bike
MB608 SUPER CERAMIC
"Dark grey" version features SUPER CERAMIC bearings.
Made-in-Japan, highest grade, high precision ceramic bearings are used to ensure super smooth and long-lasting rotation. Cyclists need to adjust power and cadence depending on terrains, so the ceramic bearing is most effective as less energy is required to turn the crank. It offers remarkable performance gain under high load conditions such as competitions.