Unior 1670.1/4 Freewheel Removal Tool for Shimano

The Unior 1670.1/4 freewheel remover removes splined Shimano freewheels from the hub. It is designed for maintenance in the workshop or at home.

• Fits the 4 splines of Shimano freewheels, including SunRace, Sachs and SRAM
• Turn it with a 24 mm spanner or a 1/2" ratchet
• Trivalent chrome-plated finish, compliant with ISO 1456:2009
• Compact and lightweight: 44.7 mm long and weighing 57 g
• Check before ordering: not suitable for cassettes or SunTour freewheels

Technical specifications

• Model / item number: 1670.1/4 (Part# 616062)
• Compatibility: Shimano freewheels with 4 splines, including SunRace, Sachs and pre-cassette SRAM with the Shimano pattern; not for SunTour; not for cassettes
• Spanner: 24 mm (hexagonal flats)
• Drive: 1/2" square drive for ratchet
• Finish: Trivalent chrome plating, compliant with ISO 1456:2009
• Length: 44.7 mm
• Weight: 57 g
• Material: Steel

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.