Explore the cutting-edge T47 bottom bracket assembly, a revolutionary integration that combines the advantages of the BSA thread system with the perks of expansive bottom bracket shells boasting a 46mm diameter. Compatible systems include PressFit 30, BBRIGHT PressFit, 386EVO, and OSBB. This specially designed cutter streamlines the milling process of existing bottom bracket housings, creating a flat surface for a secure installation of bottom bracket shells into the frame. This approach mirrors the reliability of the BSA system. It's crucial to highlight that the milling cutter is crafted for use with metal, ensuring optimal functionality. However, it's important to note that not all frames are suitable for this type of machining and conversion. We strongly advise consulting the respective frame manufacturer to ascertain compatibility with your frame. Note: for a complete tool you also need the CYCLUS TOOLS cutting milling tool, art: 720151 Part number: 720950 Barcode: 8590831360555 Product code: CYC 720950