The standard thread cutter for bottom bracket shells with holder from Cyclus Tools is a specialized tool designed for the precise machining of BSA threads (British Standard). With a diameter of 1.37 inches and a thread pitch of 24 TPI (threads per inch), this tool allows for accurate and consistent machining of bottom bracket shells. Made from robust steel, it offers both durability and an appealing look in a striking blue design. This bottom bracket tool is ideal for professional use and is suitable for both repairs and the installation of new components. Its user-friendliness and high precision make it an indispensable aid for professionals and ambitious bicycle mechanics.

• Specialized for BSA threads (1.37 inches, 24 TPI)
• Made from durable steel
• Suitable for professional applications
• Provides precise and consistent results.