Park Tool FAI-2 Frame Alignment Gauge Description: A misaligned frame after a crash or accident can cause serious handling and shifting issues and possible wheel installation difficulties. The Park Tool FAI-2 Frame Alignment Gauge can eliminate the concern of riding an unsafe bike. It measures three points of contact along the frame with a few simple steps. Fits most types of bikes by using the adjustable dropout indicator. Like all Park products, tools for the professional or home shop are built for years of use. Features: Measures head tube/seat tube/rear dropout alignment Ensures frame is in-line for proper tracking and shifting Retractable pointer fits virtually all frame sizes Black, anodized aluminum construction Specifications: Material: Anodized Aluminum Color: Black