Designed for press-fit bottom brackets, this bearing crankset tool provides adjustable fit, durable construction, and reliable performance. - Adjustable elastic opening: freely adjustable to the bottom bracket with different diameters for versatile compatibility. - Durable and impact resistant: made of 304 stainless steel with high hardness and strong toughness for a long service life. The thimble is reinforced with a core to increase durability. - Aluminum alloy head: the head is made of aluminum alloy to further improve impact resistance and ensure reliable performance during use. - Press-fit bottom bracket removal: specially designed for press-fit bottom brackets, enabling easy removal and installation. Practical applications - Maintenance and overhaul of bicycles with press-fit bottom brackets, including road and mountain bikes. - Use in home workshops or professional bike shops for both removal and installation tasks. - Suitable for frames with different bottom bracket diameters due to the adjustable opening, enhancing workflow versatility.