Product DescriptionThe Unior Open 16-Notch External Bottom Bracket Wrench is a practical bike tool for installing and removing external bottom bracket cups. Designed to fit standard 16-notch external bottom brackets, it is also compatible with many Shimano Centerlock lockrings, making it a versatile addition to a home or professional bench. The open design and single dipped handle provide a simple, secure feel during use. This is a new genuine OEM product. Key Features Designed for external bottom bracket cup service Fits standard 16-notch external bottom bracket cups Also fits many Shimano Centerlock lockrings Open wrench design for quick access Single dipped handle for grip and comfort Great for home mechanics and shop use Genuine OEM product Specifications Brand: Unior Product Type: External bottom bracket wrench Interface: 16-notch Intended Use: Installing and removing external bottom bracket cups Additional Compatibility: Shimano Centerlock lockrings Handle Type: Single dipped handle Compatibility Compatible with standard 16-notch external bottom bracket cups Compatible with many Shimano Centerlock lockrings Condition New Genuine OEM product Includes only what is shown or described