Bikone DCTech BB30-73a asymmetric - Ceramic bearings - SRAM DUB

Bikone DCTech BB30-73a bottom bracket (⌀42mm - Width 73mm) Asymmetric Pressfit with ceramic bearings - SRAM DUB standard (⌀29mm)

The Bikone DCTech BB30-73a asymmetric bottom bracket with ceramic bearings and SRAM DUB compatibility is designed to deliver maximum performance on road frames with the BB30a standard. It's ideal for demanding cyclists seeking direct, smooth, and durable power transfer, whether for racing or long, intense rides.

Thanks to Dual Cup Technology (DC Tech), the two aluminum cups align perfectly to create a rigid central core, eliminating noise, micro-movements, and energy loss. High-precision ceramic hybrid bearings ensure extremely smooth rotation and excellent durability, even under heavy loads.

Box contents

• BB30-73a Ceramic bottom bracket for SRAM DUB cranksets (29 mm axle)

Compatibility and assembly

• Bottom bracket axle diameter: 29 mm ( SRAM DUB)
• Frame bottom bracket width: 73 mm
• Internal frame diameter: 42 mm
• Standard: BB30a
• Frame type: Pressfit

Technology and design

• Dual Cup Technology: two perfectly aligned aluminum cups for a rigid assembly, free from noise and play
• ABEC5/P5 hybrid ceramic bearings – 2RS for minimal friction and high durability
• 6061 aircraft-grade aluminum cups with T6 heat treatment for high rigidity and excellent corrosion resistance
• Complete sealing thanks to axial seals and full protection of all surfaces

Spare parts compatibility

• 30407 Ceramic Bearing
• PF46, PF30, T47, EVO, BBright and T45 adapters for SRAM DUB

Compatible bicycles

• Cannondale Synapse (2018 to 2021)
• Cannondale CAAD13 (2019 to 2022)
• Cannondale SystemSix (2018 to 2021)

It is recommended to check the compatibility between your frame and this bottom bracket before purchasing.

Guarantee

• Lifetime warranty on toilet bowls
• 3-year warranty on bearings