Shimano "Dura-Ace SM-BB92-41B" BMX Race Bottom Bracket - 24mm
- Weight : 0.06kg / 0.13lbs
- Packaging Unit: 1 Set
- Product ID (PID): 45898
- Product safety
Weight
Source: BMX Glossary
Printed: 10/29/2026
The Shimano "Dura-Ace SM-BB92-41B" BMX Race Bottom Bracket - 24mm is Shimano's Dura-Ace press fit bottom bracket for cranks with a 24mm spindle. Ultra light sealed micro bearings spin smoothly, the synthetic resin cups give a precise fit in the frame and save weight.
It only fits frames with a press fit BB86 shell (41mm inner diameter, 86.5mm wide). It started out as a road bottom bracket; on a BMX race bike it fits every crank with a 24mm Hollowtech II spindle.
Facts: Shimano "Dura-Ace SM-BB92-41B" BMX Race Bottom Bracket - 24mm
- Style: BB86 press fit BB86 (86.5mm)
- Outside diameter: 41mm
- Axle Diameter: 24mm
- Bearings: 2 x sealed bearings (micro bearings)
- Material: synthetic resin cups
- Extras: model SM-BB92-41B, for frames with a press fit BB86 shell only




























































