Unior 1660/2DP-US Chain Whip 6-12-Speed

The Unior 1660/2DP-US chain whip holds the cassette while you unscrew the lockring. It is designed for those removing and fitting 6 to 12-speed cassettes.

• Compatible with 6 to 12-speed cassettes, including SRAM X-range cassettes
• Hardened carbon steel with trivalent chrome plating to protect the surface
• The magnet holds the chain when the tool is stored
• Long, double-dipped handle for grip while unscrewing the lockring
• Not suitable for 1/8" fixed-gear or singlespeed sprockets: these require model 1659/2DP-US

Technical specifications

• Model: 1660/2DP-US
• Item code: 628904
• Material: premium flex plus carbon steel, laser processed and heat hardened
• Finish: trivalent chrome plating to ISO 1456:2009
• Weight: 266 g
• Dimensions: length 323 mm, height 9 mm, width 62 mm
• Compatibility: 6 to 12-speed cassettes, including SRAM X-range cassettes
• Not compatible with: 1/8" fixed-gear or singlespeed sprockets
• Intended use: holding the cassette while unscrewing the lockring
• Details: magnet holds the chain during storage, long double-dipped handle

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.