Shimano Road Bike Bottom Brackets & Cups

Shimano Hollowtech 2 bottom brackets (also known as BB’s) are designed to fit Hollowtech 2 chainset’s and work in a Shimano drivetrain. Shimano Hollowtech 2 bottom bracket’s feature smaller and smooth running bearings and great seals for a long life. Merlin also stock press fit and older Octalink and square taper designs for old school classic road bikes.