Bikone DCtech T47a bottom bracket

BIKONE DCTech T47 Asymmetric bottom bracket for Shimano cranks is designed for cyclist who demand the best in performance and durability, wheter you are teckling tough mountain trails or cruising on roads. Thanks to the Dual Cup Technology (DC Tech) and the highest quality steel bearings, you will experience the smoothest of rides. The cups of the bottom brackets are made from 7075 Aluminium, a high-strenght aerospace-grade aluminium on which we apply a T6 treatment. That makes the material harder and more durable, ensuring that our cups mantain top performance over time.

Tech Specs

Crankset diameter: 24 mm (Shimano).
Frame width: 77 mm (This model is available for both mountain and road bikes).
Frame diameter: T47.
For Threaded frames.
This bottom bracket uses a regular T45/T47 for its assembly and dissasembly
Outside diameter of 52mm and Inner diameter of 48.2mm. 16 notch.
This bottom bracket uses Steel Bearings (ABEC5 /P5 – 2RS).
Real weight: 130 g
Dimensions: 135 × 60 × 60 mm

Technologies

Dual Cup Technology
Two aluminium cups that perfectly align bearings on both sides, creating a solid center joint that eliminates any noise or movements issues.

Producer's note: For a correct compatibility, mountain cranks should be always mount on mountain frames and road cranks on road frames.