Shimano SM-BB72-41B Ultegra Bottom Bracket Camp Furniture & Essentials Technology: HeiQ Fresh

Technology: HeiQ Fresh

and odor-free throughout all four seasons with a powerful blend of technologies

Volume:  13 l

The Tyono™ 20 outer balances airflow with wind resistance and has a DWR finish to repel moisture

Shimano SM-BB72-41B Ultegra Bottom Bracket Camp Furniture & Essentials Technology: HeiQ FreshSHIMANO 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