DT Swiss A 1800 Spline 30 Rear Wheel - 700c 12 x 142mm Center-Lock XDR Ratchet LN 18 BLKDT Swiss A 1800 Spline 30 Rear Wheel 700c 12 x 142mm Center Lock XDR Ratchet LN 18 Black. Everything about the A 1800 Spline 30 is designed to make the discovery of speed accessible and enjoyable for all. Based on DTs first aero optimized alloy rim it marks the democratization of their Aero category. In addition to the rim hidden nipples and aero spokes enhance the aero advantage. So what are you waiting for? Get them on your bike and chase those