Unior 1659/2DP-US Single Speed Chain Whip

The Unior 1659/2DP-US single-speed chain whip is used to remove 1/8" fixed-gear and single-speed sprockets. It is designed for home mechanics and workshop use, and also includes a lockring wrench.

• Holds the sprocket while you unscrew it: compatible with 1/8˝ fixed-gear and cassette-type single-speed sprockets
• Fixed-gear sprocket lockring wrench built into the body, one less tool to carry
• Heat-treated carbon steel withstands the forces involved in removal
• Trivalent chrome plating to ISO 1456:2009 protects the tool
• Magnet on the chain: keep small metal parts to hand, weighs just 376 g

Technical specifications

• Model: 1659/2DP-US (product code 628902)
• Material: Premium flex plus carbon steel; laser-cut, heat-treated tool steel
• Finish: Trivalent chrome plating to ISO 1456:2009
• Weight: 376 g
• Dimensions: Length 323 mm; width 52.5 mm; height 11 mm (subject to tolerance)
• Compatibility: 1/8˝ fixed-gear sprockets and 1/8˝ cassette-type single-speed sprockets
• Features: Fixed-gear sprocket lockring wrench integrated into the body; magnet at the end of the chain
• Intended use: Removal of 1/8˝ fixed-gear and single-speed sprockets and their lockrings

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.