Shimano BB-ES51 Octalink bottom bracket bearings BSA 121 / 73mm

Octalink bottom brackets to mount compared to the square are much stiffer and better transmit power to the drive. In the case of ES51 it is exactly the same, but also in this model drew attention to the weight and quality of the bearings, which work very slightly, and at the same time are strong and durable. Ease of installation, and maintenance-free operation are the other advantages of this product.

Product features:

• Manufacturer: Shimano
• Model: BB-ES51
• Thread Type: English (BSA)
• The width of the socket: 73mm
• Axis length: 121mm
• Designed only to crank on wielowpust Octalink

* Image