Unior 1661/4 Crank Puller

The Unior 1661/4 crank puller removes square taper cranks and, with the splined adapter already fitted, ISIS and Octalink cranks too. Suitable for bike maintenance at home or in the workshop.

• Removes Shimano, FSA, Race Face and Truvativ square taper cranks and generic JIS/ISO fittings
• Splined adapter included and preinstalled: also removes ISIS Drive and Shimano Octalink V1 and V2 cranks
• M22 × 1.0 thread engages the crank and pulls it off without forcing it
• Drop-forged, hardened, tempered and chrome-plated steel for a robust tool
• 14 mm hex fitting on the central shaft to unscrew the bolt, then use 17 mm open-ended spanners

Technical specifications

• Model: Crank Puller 1661/4
• Material: premium flex plus carbon steel, drop-forged, hardened and tempered, chrome-plated to ISO 1456:2009
• Thread: M22 × 1.0
• Length: 74.5 mm
• Compatibility: square taper cranks (Shimano, FSA, Race Face, Truvativ and generic JIS/ISO fittings); ISIS Drive with adapter; Shimano Octalink V1 and V2 with adapter
• Package contents: crank puller with splined adapter for ISIS and Octalink, preinstalled on the central shaft
• Central shaft hex fitting: 14 mm
• Open-ended spanners: 17 mm

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.