A 1800 SPLINE® Reaching new top speeds is now within everyone’s reach. Everything about our A 1800 SPLINE 30 is designed to make discovering a new world of speed accessible and enjoyable. Based on our first aerodynamically optimised aluminium rim, it marks the democratisation of our aero range. In addition to the rim, hidden nipples and aero spokes further enhance this advantage. So, what are you waiting for? Fit it to your bike and set off in pursuit of local KOMs, with speed and the wind as your allies.