Shimano ES300 Octalink MTB Bottom Bracket Brake/Brake Bleed Still a favorite of the

Still a favorite of the ultralight elite

hanging a lantern in your tent

letting you get a sounder night's sleep (and avoid disturbing your tent companion)

best for skiing hut-to-hut or exploring for an afternoon

Shimano ES300 Octalink MTB Bottom Bracket Brake/Brake Bleed Still a favorite of theSHIMANO 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