Nuke Proof External BB Bottom Bracket

Styled in distinctive Nukeproof black, the new 2013 range of external bearing bottom brackets make for a durable and high-performance upgrade or replacement unit for your bike. Featuring fully-sealed stainless steel cartridge bearings as standard, the Nukeproof BB range features precision-machined aluminium bearing cups and an alloy central sleeve with laser-etched spacer markings. Sizing options cover all common BB shell sizes (68mm/73mm, 83mm) while a press-fit option (89.5mm/92mm) is also available. Nukeproof Bottom Bracket Features: Machined aluminium bearing cups Alloy central sleeve with laser-etched spacer markings Stainless steel cartridge bearings Nukeproof Bottom Bracket Specifications: Available to fit BB shells 68mm/73mm (w. spacer) or 83mm. Press-fit option available to fit 89.5mm/92mm shells (w. spacer) Hard black anodised finish



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