Unior 1631/5 universal round spoke wrench

The Unior 1631/5 universal round spoke wrench is used to adjust wheel spokes with eight different nipple sizes. It is designed for traveling mechanics, cycle tourists and workshops working with different wheels.

• One wrench for 8 nipple sizes, from 3.3 to 5.5 mm
• Lightweight and compact: weighs 29 g and measures 38 mm in length
• Suitable for different wheels, with a flat profile for standard external spokes
• Body made of die-cast and galvanized zinc alloy
• To choose the right one, check your nipple size: options from 3.3 to 5.5 mm are available

Technical specifications

• Model: 1631/5
• Item code (SKU): 629573
• Nipple sizes: 3.3; 3.45; 3.7; 4.0; 4.2; 4.4; 5.0; 5.5 mm
• Material: Die-cast, galvanized zinc alloy
• Dimensions: 38 mm long × 9.4 mm high
• Weight: 29 g
• Compatibility: Flat profile for standard external spokes; the 3.3 mm slot accepts 3.30 mm and 3.23 mm flat spokes
• Intended use: Traveling mechanics, cycle tourists and workshop owners working with different wheels