Shimano ES300 Octalink MTB Bottom Bracket Brake/Brake Bleed • More ergonomic operation

• More ergonomic operation

The Dual Layer Tube Neck Gaiter from BlackStrap sets the industry standard in performance

Still a favorite of the ultralight elite

• Hydration system-compatible

Shimano ES300 Octalink MTB Bottom Bracket Brake/Brake Bleed • More ergonomic operationSHIMANO OCTALINK MTB Bottom BracketFEATURES Stiff and lightweight for efficient power transfer Durable spline reinforced construction 8 splined OCTALINK interface increases the strength and rigidity of the entire assembly 26 g lighter weight than BB ES25 Quick and precise assembly Good chain line control with chain stabilizerPRODUCT SPECIFICATIONS MODEL NO BB ES300 SERIES SHIMANO ALIVIO T4000 Series Structure Standard Spindle Hollow pipe Spindle