Shimano BB-UN300 bottom bracket British thread, 68 - 127.5 mm
This size allows enough clearance on a Brompton G Line (the 123mm is very tight to the rear frame when folded)
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
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
We have fitted this too our Brompton G line (manual
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Product Type: Bottom Brackets
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Discipline: Urban & Trekking
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Colour: Silver
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Size: 68 - 127.5 mm
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Bottom Bracket Type: BSA Threaded
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Width: 68 m
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