With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life.
Structure(Chaincase / E-type)
BB Type PRESS-FIT
Shell width(mm) 86.5
Package Type Individual package
HOLLOWTECH II bottom bracket|Press-Fit type X
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SHIMANO Bottom Bracket SM-BB72-41B HOLLOWTECH II Press-Fit type
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