Shimano SM-BB72-41B Ultegra Bottom Bracket Car Racks Hydrophobic coatings and venting repel

Hydrophobic coatings and venting repel any fog

Versatile: Accepts any threaded Platypus caps or drink tube

aggressive lug pattern with our most durable compound

● Capacity 16L

-Expertly constructed in classic twill or soft corduroy

Shimano SM-BB72-41B Ultegra Bottom Bracket Car Racks Hydrophobic coatings and venting repelSHIMANO 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