Born on swiss alpine roads the rc 28 spline174 features ud carbon rims and high end straight pull aerolite spokes allowing for searing acceleration uphill and solid cornering coming back down spline174 technologywith straight pull spokes and the use of specific lacing superlight hubs as well as high end rims featuring key dt swiss technology spline174 wheels make for a perfect training and racing partner straightpull technologythe term straightpull refers to spokes with no bend at