The Shimano BB-5500 105 Octalink Bottom Bracket is much stronger than the conventional square taper spindle, the 8-splined Octalink interface that connects bottom bracket and crankset increases the strength and rigidity of the entire assembly.
Specifications:
Application: Road
Series: 105 5500
Type: BSA English Threaded
Shell Width: 68 mm (BSA)
Axle Length: 109.5 mm, 118.5 mm
Axle Type: Octalink (Road)
E-Type Compatibility: no
Chain Guard Compatibility: no
Model # 105BB-5500
Technical Information:
Bearings: steel
Axle Material: steel
Bottom Bracket Cup Material: aluminium
Features:
– multiple splines profile
– for 2-speed and 3-speed
SHIMANO ITEM #
ENGLISH 68mm x 118.5mm : EBB5500B18 689228134546
ENGLISH 68mm X 109.5mm : EBB5500B09 689228134522





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