Our MT series hubs are our flagship mountain bike hub range. The MT series encompass everything we feel hubs for mountain biking should offer.Durability, modularity and light weights make the MT Series a simple choice.The MT2 Front Boost hub is a ground up design offering optimised flange spacing, and the option for Boost 15mm as well as Boost 20mm. This hub replaces our hugely popular MT Front Boost Hub.