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Shimano UN55 Square Tapered Bottom Bracket

From £16.00
Was From £29.99
Save From £13.99(47%)
Shimano UN55 Square Tapered Bottom Bracket
Shimano UN55 Square Tapered Bottom Bracket
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Square Tapered BB
Fully Sealed Cartridge Design
Super Accurate Bearings
Shell Width
Spindle Length
Lead Time & Availability
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Key Features

Q & A


A good quality bottom bracket for traditional chainsets.
Super-accurate bearings for smooth operation and improved durability.
Durable, hard-wearing sealed cartridge bottom bracket with square tapered spindle fitting.
Lightweight hollow spindle.
Maintenance-free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing life.
Fast and easy installation without adjustment.
Narrow body allows clearance for cable routing under the bottom bracket.


British Thread

68mm - 107mm

68mm - 110mm

68mm - 113mm

68mm - 115mm

68mm - 118mm

68mm - 122.5mm

73mm - 110mm

73mm - 113mm

Italian Thread

70mm - 110mm

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