Bicycle Components & Parts

The Shimano Sealed Bottom Bracket BB-UN-72-E is a high-quality component for bicycles, designed for durability and performance. Made from a combination of aluminum and steel, this bottom bracket features a square taper spindle type with a shell width of 73mm. The BSA (English) bottom bracket shell type ensures compatibility with most bicycles, and the silver color adds a sleek aesthetic. With a length of 114mm and an item height of 5mm, this set includes the bottom bracket itself, making it a reliable part for any cyclist looking to upgrade their bike. Please make sure this will fit your bike before you order.