Bikone DCTech PF30-73a asymmetric - Steel bearings - SRAM DUB

Bikone DCTech PF30-73a bottom bracket (⌀46mm - Width 73mm) Asymmetric Pressfit with steel bearings - SRAM DUB standard (⌀29mm)

The Bikone DCTech PF30-73a asymmetric bottom bracket with steel bearings and SRAM DUB compatibility is designed to efficiently transfer power over every kilometer. It's ideal for demanding cyclists seeking smooth, quiet, and durable operation, whether for sporty road riding or intensive long-distance use.

Thanks to Dual Cup Technology (DC Tech), this bottom bracket ensures perfect alignment of the bearings on both sides of the frame. The result: increased rigidity, elimination of unwanted noise, and optimized power transmission, even on the most demanding roads.

Box contents

• PF30-73a 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: 46 mm
• Standard: PF30-73a
• Frame type: Pressfit

Technology and design

• Dual Cup Technology: two perfectly aligned aluminum cups for maximum rigidity and quiet operation
• Chromium steel bearings ABEC5 / P5 – 2RS, offering excellent smoothness and long service life
• 6061 aircraft-grade aluminum cups with T6 heat treatment for increased corrosion and wear resistance
• Complete sealing thanks to axial seals and full protection of all surfaces

Spare parts compatibility

• 30407 steel bearing
• PF46, PF30, T47, EVO, BBright and T45 adapters for SRAM DUB

Compatible bicycles

• Specialized Diverge Carbon (2019)
• Specialized Epic Hardtail (2018)
• Niner RLT 9 RDO (2019 to 2024)
• Niner MCR 9 RDO (2020)
• Niner AIR 9 RDO (2022)
• Niner RKT 9 RDO (2020)
• Cannondale SuperSix EVO Gen 2 and Gen 3 (2018 to 2022)
• Cannondale SuperSlice (2018 to 2020)

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