Unior 1671.16N 16-Tooth Bottom Bracket Socket

The Unior 1671.16N bottom bracket socket installs and removes bottom brackets with external bearings. It is designed for mechanics and enthusiasts working in the workshop or home garage.

• Fits many standards: Shimano Hollowtech II, SRAM GXP, FSA MegaExo, Race Face X-Type
• Secure grip on the bottom bracket thanks to its 16 teeth
• Lightweight and sturdy: CNC-machined anodised aluminium, weighing 114 g
• Use with a wrench with a 1/2" square drive
• Before ordering, check that the notch diameter is 42.7 mm

Technical specifications

• Type: Special tool, multi-tooth socket
• Function: Bottom bracket installation and removal
• Teeth: 16
• Notch diameter: 42.7 mm
• Bearing diameter: 52 mm
• Drive: 1/2" square
• Material: Aluminium, anodised
• Machining: CNC
• Weight: 114 g
• Compatibility: Campagnolo, Chris King, FSA MegaExo, Race Face X-Type, Shimano Hollowtech II, SRAM / Truvativ GXP

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.