BB30-73a Bottom Bracket for Shimano cranks is designed to power every kilometer you ride. It is engineered 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 our top quality steel bearings, you will experience the smoothest of rides, no matter how rough the road gets.

Included in the box:

• BB30-73a Bottom Bracket for Shimano cranks.
• Technical specifications:
• Assembly specs
• · Crankset diameter: 24mm (Shimano)
• · Frame width: 73 mm
• · Frame diameter: 42 mm
• · For Pressfit frames.
• Weight
• 106 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.
• This bottom bracket uses Chronium Steel Bearings (ABEC5 /P5 - 2RS).
• The cups of our bottom brackets are made from 6061 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.