Bottom Bracket SHIMANO Ultegra 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

FEATURES

Optimum power transfer

Lightweight maintains efficiency

DURA-ACE proven 4-arm design: Same stiffness and lighter weight

14 g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability

Variety choice of gearing: 53-39T/52-36T/50-34T/46-36T

Weight: 69 ge.

PRODUCT SPECIFICATIONS

MODEL NO SM-BB72-41

SERIES SHIMANO 105 R7000 Series

Average weight 69

Press-Fit bottom bracket shell width (mm)_86.5 X (SM-BB72-41B)

HOLLOWTECH II bottom bracket_Press-Fit type ✔

Small ball bearing ✔