Shimano SM-BB72-41B Ultegra Bottom Bracket Range Finders more stable seat

more stable seat

creating a durable anticorrosive layer of protection on your bike’s frame

playful maneuverability in deep powder

two mesh side with zippers

Stratus R 100% recycled polyester 200gsm insulation with TILT

Shimano SM-BB72-41B Ultegra Bottom Bracket Range Finders more stable seatSHIMANO ULTEGRA Bottom Bracket Press Fit HOLLOWTECH II 86. 5 mm shell widthWith reliable SHIMANO bearings and seals, the SHIMANO ULTEGRA bottom bracket has a long service life. FEATURES:Optimum power transferLightweight maintains efficiencyDURA ACE proven 4 arm design: Same stiffness and lighter weight14 g lighter weight and half the friction of the SM BB6700, while maintaining the same durabilityVariety choice of gearing: 53 39T 52 36T 50 34T 46