Bikone DCTech T47a (Shimano, SRAM or BB30)

$460.90 AUD

Taxes included. Shipping calculated at checkout.

The Bikone DCTech T47a Bottom Bracket is engineered for riders using modern T47a (asymmetrical) threaded frames who want maximum drivetrain efficiency, improved alignment and long‑term reliability. Designed with Bikone’s advanced Dual Cup Technology (DC Tech) and available with ceramic or stainless steel bearings, this bottom bracket is built to deliver a smooth, quiet and efficient ride across road, gravel, MTB and performance bike builds.

For cyclists in Brisbane and across Australia, upgrading to a high‑quality T47a bottom bracket is a popular solution when chasing smoother pedalling, eliminating creaks or completing a premium bike build with modern frame standards and high‑end components.

Precision alignment for better power transfer

At the core of the Bikone DCTech system is Dual Cup Technology, which focuses on optimising bearing alignment across both sides of the bottom bracket shell. This helps create a more stable and consistent platform for the crankset, reducing unwanted flex, noise and friction.

On the road or trail, this translates into improved power transfer, a quieter drivetrain, and a smoother feel under load—especially noticeable during climbs, sprint efforts and long endurance rides.

Ceramic or stainless bearings to suit your riding

The DCTech T47a bottom bracket is available with two bearing options to match different riding styles and maintenance preferences:

Ceramic bearings deliver ultra‑low friction and are ideal for performance road bikes, triathlon setups and riders seeking maximum efficiency.
Stainless steel bearings provide durability and reliability for everyday cycling, including commuting, gravel riding and MTB use in all conditions.

Both options are designed with sealed construction to help protect against dust, water and contaminants commonly encountered on Australian roads and trails.

Built for T47a frames and modern cranksets

This model is specifically designed for T47a asymmetrical threaded frames, offering a secure and serviceable alternative to press‑fit systems while maintaining the stiffness benefits of large bottom bracket shells.

Frame standard:

T47a (asymmetrical threaded)

Crank compatibility:

24mm Shimano cranksets
29mm SRAM DUB cranksets
30mm BB30 cranksets

This wide compatibility makes it suitable for modern drivetrains including Shimano road and gravel groupsets as well as SRAM AXS and MTB drivetrains.

Designed for Brisbane and Australian riding conditions

The Bikone DCTech T47a bottom bracket is built to perform in the conditions local riders experience every day, including heat, humidity, wet roads and dusty gravel. Its sealed bearing system helps extend service life and maintain smooth operation between services.

It is commonly installed during a bike service or drivetrain upgrade at local bike shops, alongside:

bottom bracket replacement and bearing upgrades
drivetrain cleaning and tuning
crankset fitting and alignment
bike fitting and performance optimisation
custom builds and premium upgrades

For riders searching for bike servicing in Brisbane, bottom bracket replacement Australia or drivetrain upgrades, this component delivers measurable improvements in ride quality and efficiency.

Durable and low‑maintenance design

High‑quality construction and effective sealing help reduce wear, corrosion and contamination. This means longer service intervals and fewer workshop visits, making it ideal for riders who regularly clock up kilometres on road bikes, gravel bikes or MTB.

Easy threaded installation

The T47a threaded design allows for a more secure and reliable installation compared with many press‑fit systems. It can be installed using standard bottom bracket tools, making it suitable for professional bike mechanics and experienced home mechanics alike.