External Bearing Bottom Brackets BB for BB386 Crankset 30mm

Description:

- Made of high quality ceramics and steel bearing materials, sturdy and durable, easy to install and use.

- Compatible for φ30/30mm BB386 crankset.

- Suit for 68mm/73mm φ34.798mm Frame Shell.

- With high strength, high hardness and not easy to deform. Great accessory for cycling enthusiasts.

- Each of bottom bracket are manufactured for best performance and longest durability.

Specification:

- Material:

- Non-ceramic: Steel Bearing

- Ceramic: Ceramics

- Color: Black Size Chart: Inner diameter: approx. 30mm/1.18inch Outer diameter: approx. 49mm/1.93inch

Package Includes: 1 Set Bottom Bracket

Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!