SHIMANO ES300 Octalink Bottom Bracket – 68/73 x 113-126mm – All Sizes

By Japanese giants, Shimano. These Octalink bottom brackets are to be used with Octalink chainsets. With a oversized spindle 22mm diameter. Octalink splined axle and crank arm interface results in a more rigid crank assembly, compared to standard square tapered spindle. Sealed cartridge, covers from 113 to 126mm lengths, in 68 or 73mm shells.

• Octalink Bottom Bracket
• Oversized Hollow Spindle with 22mm Diameter
• Chrome-Moly Pipe Billet Spindle Reduces Weight and Adds Strength
• Octalink Splined Axle/Crank Arm Interface
• Sealed Cartridge with Oversized Bearings
• Easy Installation
• Available in 68/73mm Shells
• Available in 113-126mm Lengths
• BSA English Thread