Bikone DCTech PF30-73a asymmetric - Steel bearings - Shimano

Bikone DCTech PF30-73a bottom bracket (⌀46mm - Width 73mm) Asymmetric Pressfit with steel bearings - Shimano standard (⌀24mm)

The Bikone DCTech PF30-73a asymmetric bottom bracket with steel bearings Shimano is designed to efficiently transfer every watt, regardless of riding conditions. It's ideal for demanding cyclists seeking a reliable, smooth, and durable bottom bracket, suitable for both intensive road riding and more challenging outings.

Thanks to Dual Cup Technology (DC Tech), the two aluminum cups align perfectly to form a rigid central core, eliminating unwanted noise, play, and energy loss. High-quality steel bearings ensure smooth rotation and excellent durability, even on rough roads.

Box contents

• PF30-73a bottom bracket for Shimano cranksets (24 mm axle)

Compatibility and assembly

• Bottom bracket axle diameter: 24 mm ( Shimano )
• 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 for excellent smoothness and high durability
• 6061 aircraft-grade aluminum cups with T6 heat treatment for increased wear and corrosion 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 Shimano

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)
• SuperSix EVO Gen 2 and Gen 3 (2018 to 2022)
• 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