Shimano BB-5500 Bottom Bracket 68 x 109.5mm 105

Splined bottom bracket designed for use with Shimano road Octalink crankset.

Features:

- 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 Compatibility no Chain Guard Compatibility no Bearings steel Axle Material steel Bottom Bracket Cup Material Aluminium