Headset Bearing Gauge – Small


Quickly measure your headset tube to determine the exact bearing size. The Headtube Guide Tool is a Hard-wearing stainless steel headtube guide that helps correctly determine headset fitment or to identify headset bearings. The Headtube Guide Tool includes gauges for internal diameter, external diameter and chamfer angles.

In stock

SKU: HSTS Category:


  • Cutouts features used to identify all current headset cartridge bearing standards
  • Measures inside headtube or bearing cup diameter
  • Determines important bearing angles for precise fit

Additional information

Weight 2 oz
Tool Type

Headset Tools

  •  Stainless Steel
  •  Measures bearings from 46.8 - 52.0 mm
  •  Identify 36 or 45 degree bearing