SHIMANO ULTEGRA Press Fit Bottom Bracket 86.5 mm shell width

SM-BB72-41

shimano_grx

SM-BB72-41

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.

  • 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 g

TECHNOLOGIES

PRODUCT SPECIFICATIONS

MODEL NO SM-BB72-41
SERIES SHIMANO GRX DI2
Average weight 69 g
HOLLOWTECH II BB Type Press-Fit type
   
Press-Fit BB Shell Width 86.5 mm (SM-BB72-41B)
Small ball bearing

SERIES LINE-UP

  • Bottom Bracket SHIMANO ULTEGRA Threaded Bottom Bracket 68/70 mm shell width
  • Chain SHIMANO STEPS E6000 11-Speed Super Narrow E-BIKE Chain
  • Cassette Sprocket SHIMANO DEORE XT 11-Speed MTB Cassette Sprocket
  • FREEHUB SHIMANO Disc Brake E-THRU Axle Rear FREEHUB 10/11-speed