DT Swiss A 1800 Spline 30 Wheel A New World of Speed If you're looking to upgrade your bike's speed, you might want to upgrade the wheels. With an excellent set of wheels, your bike will roll faster and smoother. The DT Swiss A 1800 Spline 30 Wheel is designed to make the discovery of a new world of speed accessible and enjoyable. Based on DT's 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. The rims are tubeless-ready, so you can ditch the inner tubes for a smoother ride, better traction, and fewer flats. The Ratchet LN System on the rear wheel provides super-fast engagement. Features Aerodynamic rim with a 30mm height, 20mm inner width, and hidden nipples Ratchet LN System provides fast engagement on the rear wheel Tubeless-ready for a smoother ride, better traction, and fewer flats SPECIFICATIONSWheel Size700c Material Aluminum Outer Width24mm Inner Width20mm Rim Height30mm Spoke Drilling24HValve Type Presta Tubeless Yes Tire Type Clincher Brake Compatibility Disc (Centerlock)Front Axle12x100mm Rear Axle12x142mm Intended Use Road Approximate Weight835g (F), 964g (F) | Dt Swiss | A 1800 Spline 30 Wheel Rear 12X142Mm Center Lock Hg11 Freehub