Industrial sealed ABEC-3 rated bearings for super-smooth performance and long-lasting durability. Other brand pulleys have no bearings inside. Composite material provided by EMS Swiss, with 40% glass-fibre mixture giving unmatched stiffness and precise shifting. All bushings for different shifting systems are included.
BBB was created in 1999, in the Netherlands, by two passionate cyclists; Chris Koppert and Frank Moons. They had a vision of creating a value for money aftermarket component manufacturing company for their beloved bicycle industry. Since then, this vision has expanded to 40 countries, 40 categories of bicycles products and over 1500 unique products. BBB now employs a team of fanatically dedicated product research and development people, plus in-house marketing, packaging and website designers.