Splined bottom bracket designed for use with Shimano road Octalink crankset. Oversize BB spindle - large 22mm diameter chrome-moly hollow pipe billet spindle reduces weight, increases strength and rigidity Octalink splined axle/crank arm interface - results in a more rigid crank assembly compared to square tapered spindle Maintenance-free sealed cartridge design prevents corrosion and is easy to install Aluminium adapter Average weight: 250g Shimano 105 bottom bracket for 2-speed cranks. Octalink profile. Available for BSA or ITA thread. SPECIFICATIONS application Road series 105 5500 type BSA or ITA Shell width 68 mm (BSA) or 70 mm (ITA) axle length 109.5 mm, 118.5 mm axle type Octalink (Road) E-Type bearings steel axle material steel bottom bracket cup material Aluminium
