With a sweet DYNAFORM top tube and Euro BB the Sector Expert, Junior, and mini models have raised the bar once again.  All Sector race Small size frames utilize premium 6061 series aluminum butted tubing, customized exclusively for Felt. With a no-nonsense double-diamond frame, 3D cold-forged dropouts, tapered stays, rest assured the Sector delivers the stiffness and power transfer you need. Simple, clean, no gimmicks.