The TR 309 S Wheelset is a part of Reynolds Trail Rated line. From it's lightweight construction to wider rim design this wheelset enhances ride quality for a variety of riding conditions. The TRs models take a step up from the standard TR lineup that includes bladed spokes for the perfect blend of vertical rigidity and lateral compliance. The TRs models also include Reynolds TR6 hubs with 5 degrees of engagement at the freehub for quick power transfer to the drivetrain.