The Bikone DCTech BB30 bottom bracket – steel bearings – SRAM DUB is designed to offer maximum efficiency and unwavering reliability, mile after mile. Created for demanding cyclists, it's ideal for both road and mountain bikers looking for smooth, quiet, and durable pedaling in all conditions.

Thanks to the exclusive Dual Cup Technology (DC Tech) combined with high-precision steel bearings, this bottom bracket ensures perfect axle alignment, eliminates unwanted play and optimizes power transmission with every pedal stroke.

Technical specifications

• Frame standard: BB30 (PressFit)
• Case diameter: 42 mm
• Frame width: 68 mm or 73 mm
• Axle diameter: 29 mm ( SRAM DUB)
• Bearings: Chromium steel ABEC5 / P5 – 2RS
• Cups: 6061 T6 aluminum
• Weight: 99 g

Main features

• Dual Cup Technology for perfect alignment and maximum rigidity
• High-precision, low-friction steel bearings
• Fully waterproof structure
• Noise-reducing and anti-play design