Unior 820A Hammer with Polyurethane Faces

The Unior 820A polyurethane hammer has a grey cast iron head and replaceable tips. Use it in the workshop for precise blows on finished bike components, such as bearings and headset cups.

• Replaceable polyurethane tips: no need to replace the whole hammer when they wear out
• Precise blows on bearings, headset cups and seized quick releases
• Tips with 45 - 55 Shore D hardness, suitable for finished components
• Grey cast iron head, lacquered wooden handle and oil resistance
• Choose 32 mm at 325 g or 40 mm at 550 g

Technical specifications

• Head material: grey cast iron
• Tip material: polyurethane, replaceable
• Tip hardness: 45 - 55 Shore D
• Tip diameter (each side): 32 mm, 40 mm
• Handle length (40 mm version): 320 mm
• Handle: lacquered wood
• Features: oil-resistant
• Overall length: 32 mm: 300 mm, 40 mm: 325 mm
• Width: 32 mm: 99 mm, 40 mm: 110 mm
• Weight: 32 mm: 325 g, 40 mm: 550 g

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.