SHIMANO DURA-ACE BB-7700 OCTALINK BOTTOM BRACKET BSA 68mm (WITHOUT SEALS) electric_full_suspension 1 Display holder Kiox (1

1 Display holder Kiox (1

Hyperglide EV sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear

Options available in black or silver

Semi-Sealed Cartridge Bearings

SHIMANO DURA-ACE BB-7700 OCTALINK BOTTOM BRACKET BSA 68mm (WITHOUT SEALS) electric_full_suspension 1 Display holder Kiox (1The Shimano BB 7700 DURA ACE bottom bracket delivers precision engineering for high performance road cycling. Designed for 68mm shell widths with a 109mm axle length, this sealed cartridge unit offers smooth, reliable rotation and minimal maintenance. Built to Dura Ace standards, it provides the stiffness and responsiveness serious cyclists demand. The sealed design protects against contamination whilst maintaining efficient power transfer. Compatible