T47a 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 our Dual Cup Technology (DC Tech) and the highest quality steel bearings, you will experience the smoothest of rides.

Included in the box:

• T47a Bottom Bracket for Shimano cranks.
• Assembly specs
• · Crankset diameter: Shimano (24 mm)
• · Frame width: 77 mm (This model is compatible with both mountain and road bikes).
• · Frame diameter: T47
• · For Threaded frames
• This bottom bracket uses a regular T45/T47 for its assembly and dissasembly. Outer diameter of 52mm and Inner diameter of 48.2mm. 16 notch.
• Weight
• 120 grams
• Characteristics
• 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. Find out more about our technology here.
• This bottom bracket uses Chronium Steel Bearings (ABEC5 /P5 - 2RS).
• The cups of our 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.
• Fully sealed. Axial seals on bearings and fully sealed on all surfaces.