Shimano Ultegra BB72-41B Press-Fit Bottom Bracket

SHIMANO ULTEGRA Press Fit Bottom Bracket 86.5 mm shell width
SM-BB72-41B
SHIMANO ULTEGRA - Bottom Bracket - Press Fit - HOLLOWTECH II - 86.5 mm shell width

With reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life.