The 105 BB-5500 bottom bracket from Shimano is an Octalink bottom bracket with an 8-splined interface and a steel axle.
Package Type
Individual package
Structure(Chaincase / E-type)
-
BB Type
OCTALINK
Shell width(mm)
68 (BSA)
Small Parts
Without fixing bolt
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SHIMANO 105 Bottom Bracket BB-5500 Octalink 109.5 mm 68 (BSA) mm
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