Reserve 42/49 DT 240 Turbulent Aero Disc Wheelset If you're serious about performance, the Reserve 42/49 DT 240 Turbulent Aero Disc Wheelset is the upgrade your bike deserves. Engineered with cutting-edge Turbulent Aero technology and validated through extensive Computational Fluid Dynamics (CFD) and real-world wind-tunnel testing, these wheels deliver unmatched aerodynamic efficiency and stability in varied conditions. Whether you’re taking on cobbled classics like Paris-Roubaix or pushing through mountain stages at the Giro d’Italia, the 42/49 wheels offer proven, all-day capability. Backed by a lifetime warranty and no-fault crash replacement, this wheelset offers peace of mind as well as podium-worthy performance. What sets the Reserve 42/49 apart is its uncompromising focus on strength-to-weight optimisation. Developed in Reserve’s California-based composites lab, the rims feature proprietary carbon fibre layups and reinforced spoke holes, ensuring exceptional stiffness where it matters most. With external nipples, standard spokes, no tyre compatibility restrictions thanks to a semi-hooked design, and no rider weight limit, these wheels are built for real riders doing real rides. If you're looking for aerodynamic speed, rock-solid durability and a lifetime of riding confidence, the Reserve 42/49 Wheelset is your next essential upgrade.