SHIMANO threaded - HOLLOWTECH II - 68/70 mm shell width.
With reliable SHIMANO bearings and seals, the SHIMANO bottom bracket has a long service life.
Specifications
MODEL NO: SM-BBR60
HOLLOWTECH II BB Type: Threaded bottom bracket type
Threaded BB Shell Width: 68mm, 70 mm
Mfr Claimed Weight
77g