Shimano Bottom Bracket SM-BB72 Press Fit Road 41mm Gravel Bike Available in an array of

Available in an array of colours to match your bike

Endurance is for the less technical rider and looking for longer sealant time

Armour Tubeless wings flex with the tyre and rim to provide more traction

chain tool

Shimano Bottom Bracket SM-BB72 Press Fit Road 41mm Gravel Bike Available in an array ofSHIMANO 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