The Shimano BB6700 Bottom Bracket is a high-quality bike component designed for Shimano-compatible wheels with a 1.37 x 24 Tpi thread. Made of durable steel, this bottom bracket features a 68mm shell width and a BSA (English) bottom bracket shell type. This set includes one bottom bracket and is a crucial part for keeping your bike's wheels securely in place during cycling rides. Perfect for sport enthusiasts looking to upgrade their bike's performance, the Shimano BB6700 Bottom Bracket is a reliable choice for smooth and efficient cycling.