Dt rc 28 spline disc brake the rc 28 is designed to help riders when pushing the limits and riding on their edge the use of newly available through axles increase the steering precision for better control in all conditions perfect for riders who arent scared to brave adverse weather conditions on road or mud infested cyclocross tracks year round dt splinereg technology with their intricately machined hub shells cleverly positioned spokes and proven freewheel technology dt swiss spline wh