The Hope Bottom Bracket 24mm Red is a high-quality cycling component designed for mountain bikes with a 68/73 BSA threaded shell. Made of durable steel and compatible with Shimano brand bikes, this bottom bracket features a hollowtech II spindle type and comes in a sleek black colour. The set includes one bottom bracket and is the perfect choice for those looking to upgrade their bike's performance and durability. Could do with one bearing being replaced. Deep scratch on one cup pictured. Does affect performance