Shimano SM-BB72-41B Ultegra Bottom Bracket VHF Radios & Two Way Radios Active length compensation in the

Active length compensation in the heel allowing the heel to move back up to 7mm when the ski is flexed

1 – Duct Tape

stays cool

or for rigging cut herring and trolling or mooching for salmon in salt water

Shimano SM-BB72-41B Ultegra Bottom Bracket VHF Radios & Two Way Radios Active length compensation in theSHIMANO 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