Unior BSA30 1671.BSA30 Bottom Bracket Tool

The Unior 1671.BSA30 bottom bracket spanner is used to fit and remove BSA30 threaded bottom brackets on road and MTB bikes. Made from aluminium, it is lightweight and suitable for home or workshop maintenance.

• Engages securely with the lockring thanks to its 12 notches with a diameter of 44.2 mm
• Compatible with Race Face Cinch, SRAM DUB, Zipp Vuma and Hawk Racing BB3086
• Lightweight at just 117 g and fits in any toolbox
• Used with a standard 1/2" square drive wrench
• Before ordering, check that your bottom bracket is BSA30 with a 53 mm fitting

Technical specifications

• Material: Aluminium
• Notches: 12
• Notch diameter: 44.2 mm
• Bearing seat diameter: 53 mm
• Width: 31 mm
• Drive: 1/2" square
• Weight: 117 g
• Compatibility: Race Face Cinch, SRAM DUB, Zipp Vuma, Hawk Racing BB3086 (BSA30)
• Package contents: 1 Unior Bike Tools 1671.BSA30 spanner

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.