The Park Tool ASF-2 Clamp Adapter Add-On is a repair stand accessory designed for mechanics who need to secure bicycles with long wheelbases unusual centers of gravity or other non-standard frame geometries that complicate conventional stand clamping. The ASF-2 installs onto the ASF-1 Adjustable Support Fixture (sold separately) replacing one support fork with a traditional Park Tool repair stand top tube clamp interface (clamp sold separately). This configuration enables front-loading cargo bikes and similarly awkward frames to be held in a standard repair stand clamp while the ASF-1 provides additional support below.Installs onto the ASF-1 Adjustable Support Fixture to replace one support fork with a traditional repair stand clamp interfaceExtends compatibility of existing Park Tool repair stands to front-loading cargo bikes and other long-wheelbase or unbalanced framesRequires a separate Park Tool repair stand clamp clamp is not includedASF-1 (QBP #TL1049) is sold separately and must be present for ASF-2 installationNot compatible with the ASF-3 Pivoting Extension Arm