Unior 1670.2/4 SunTour Freewheel Removal Tool

The Unior 1670.2/4 freewheel remover removes 2-tooth SunTour freewheels from the hub. It is designed for anyone maintaining their bike in the workshop or at home who wants a precise tool.

• Fits 2-tooth SunTour freewheels, as well as some Sachs and Maillard freewheels
• Precise engagement: teeth 3.9 mm high and 6.5 mm wide
• Turn it with a ratchet or long lever using the 23 mm hexagon
• Trivalent chrome-plated finish, compliant with ISO 1456:2009
• How to choose: not suitable for 4-tooth SunTour (requires 1670.3/4), Shimano or BMX

Technical specifications

• Item code (MPN): 1670.2/4
• SKU code: 616063
• GTIN/EAN: 3838909160634
• Interface type: 2 teeth, SunTour pattern
• Internal distance between teeth: 19.6 mm
• External distance between teeth: 23.9 mm
• Tooth height: 3.9 mm
• Tooth width: 6.5 mm
• Overall height: 19.9 mm
• Spanner fitting: 23 mm, hexagonal

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.