Unior 1689 1689.1 Calibration Gauge for Pro Truing Stand

The Unior 1689.1 calibration gauge is a steel plate for calibrating the Unior Pro Truing Stand V2. It is for workshops and mechanics who want to keep their stand accurate.

• Calibrates the callipers on the Pro Truing Stand V2 and aligns the centreline and arms
• Machined steel plate, a rigid reference for repeatable adjustments
• Compact: 190 mm wide, 270 mm long, only 243 g
• Only for the black V2 from June 2022 onwards; does not fit the V1 well
• Choose the 160 mm or 180 mm version to suit your stand

Technical specifications

• Item code: 1689.1 (V2: 629288; V1: 629229)
• Compatibility: Unior Pro Truing Stand V2 (black finish, from June 2022 onwards)
• Material: Machined steel reference plate
• Diameter: 8 mm
• Width: 190 mm
• Length: 270 mm
• Thickness: 3 mm
• Weight: 243 g
• Intended use: Calibrating the callipers on the Unior Pro Truing Stand V2 and aligning the centreline and arms
• Versions: 160 mm, 180 mm

Unior was founded in 1919 in Zreče, in present-day Slovenia, where it is still based. For bicycle care, it makes tools, repair stands and wheel equipment. Its name, adopted in the 1970s, comes from the expression “universal tools” and reflects its roots in metalworking.