The Park Tool 690-XL is designed to deliver precise facing for low-profile Zero Stack type headsets, ensuring perfect bearing alignment. Its larger 58mm diameter makes it ideal for head tubes requiring accurate finishing. This tool guarantees reliable results when paired with the 768 pilot for precise reaming and facing of your frame. Built for workshop professionals and serious bike enthusiasts, the 690-XL enhances headset performance by improving the fit and longevity of bearings. Its robust construction and compatibility with Park Tool accessories make it an essential addition to your toolkit. What It’s Good For Accurately facing head tubes with low-profile Zero Stack headsets Improving bearing alignment for smoother steering Ensuring precise frame reaming and facing with the 768 pilot Workshop use for professional-level bike maintenance What It’s NOT Good For Use without the 768 pilot may lead to inaccurate results Not intended for high-profile or non-Zero Stack headsets Unsuitable for casual or occasional bike maintenance Frequently Asked Questions Can the 690-XL be used without the 768 pilot?No, the 768 pilot is required to ensure accurate reaming and facing when using the 690-XL. Is this tool compatible with all headset types?The 690-XL is specifically designed for low-profile Zero Stack type headsets and may not work properly with other types.
