Dt r23 spline db the new r23 spline db wheels work perfectly with the new breed of wider road tyres the combination of wide rims and wide tyres results in more comfort in the saddle and more grip on the road the rider ends up with faster and more enjoyable rides together with the laterally stiff build which uses high end bladed spokes the r23 spline lets you tackle the last climb of the day with enough energy to enjoy the looks of the hubs and to plan your next big ride perfect for road or