Reserve Wheels Reserve 34/37 SL Turbulent Aero Wheelset - 700, 12 x 100/12 x 142, Center-Lock, XDR/HG11, Carbon, TuneThanks to the latest advancements in Reserve's carbon layup process, the 34 37 SL wheels are lighter than ever without sacrificing any strength. Designed for Team Visma Lease a Bike, these wheels are made to lead the peloton up the world's steepest, most unrelenting climbs. While the 34 37 SL wheels are built to climb, climbing isn't just about weight. A mixed rim profile of 34mm front and 37mm rear maximizes aerodynamic efficiency, while reinforced