![Shimano BB-UN300 Threaded Bottom Bracket](http://alansbmx.com/cdn/shop/products/shimano-bb-un300-threaded-bottom-bracket-bmx-parts-alansbmx-14236823814242_400x400.jpg?v=1597318255)
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Shimano BB-UN300 Threaded Bottom Bracket
£23.99
68/73mm shell width A good quality bottom bracket for traditional chainsets Super-accurate bearings for smooth operation and improved durability D...
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