Small ball bearings improve rotation Improved seals Includes left & right Press Fit cups & 2.5 mm spacer Compatible with BB89.5 & BB92 Press Fit bottom bracket shells
DURA-ACE Bottom Bracket - Press Fit - HOLLOWTECH II - 86.5 mm shell width With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams. Bottom bracket with…