Unior 1668/2 Chainring Nut and Bolt Wrench

The Unior 1668/2 chainring spanner is used to fit and remove crankset chainring bolts. It is designed for anyone working on bikes in a garage or workshop who wants a compact tool.

• Tighten and loosen chainring bolts without improvising, with a 10 mm opening
• Chrome-plated carbon steel body, designed to withstand workshop use
• Compact, with an overall length of 98 mm: fits in any toolbox
• Ideal for fitting and removing crankset chainrings

Technical specifications

• Model: 1668/2
• Material: "Premium Flex Plus" carbon steel, chrome-plated
• Overall length: 98 mm
• Spanner opening: 10 mm (SW10)
• Intended use: Fitting and removing chainrings
• Package contents: 1 Unior 1668/2 chainring spanner

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.