- The Bottom Bracket Gauge Tool was designed to provide all the necessary measurements to identify the proper bottom bracket for a specific bike configuration - Measures: bottom bracket width, bottom bracket shell inner diameter, crank spindle length, crank spindle diameter, and bearing inner diameter - Metric scale along the long edge for shell and spindle lengths - Overall size: 7" x 3" x 0.125" - Anodized aluminum - Use in conjunction with Wheels Mfg Bottom Bracket Fit Finder site: https://wheelsmfg.com/bbfinder - Made in the USA
