The Lún HYPER D45 are our best all-round disc-brake wheels. Carbon spokes, ceramic bearings and a filament-wound rim make them the ultimate performance wheelset. The super-lightweight construction makes them climb and accelerate like no other wheel. Carbon spokes produce a wheel that is both light and stiff giving you wheels you can rely on for the hardest sprints or toughest climbs, day-in, day-out. 46mm Front / 54mm Rear F-RAPID Rim Profiles 21mm Internal Width (27.6mm External) Carbon Spokes Ceramic Bearings Tubeless Ready (Clincher Compatible) Optimized for 25-28mm Tires 1427g (±25g per wheel) Disc Brake Free Worldwide Shipping In late 2019 we debuted our Lún HYPER wheels to great fanfare. It seemed we’d cracked the code on what road cyclists wanted in a wheelset: Fast, light, stiff and a characteristic snappy acceleration like no other wheel out there. The word spread, so we built more…and more, and more. 50,000 wheels later and Lún HYPER wheels were being ridden in over 75 countries in six continents. They rode people to personal bests, KOMs, podiums, state and national championships. We didn’t rest on our laurels. We knew we had a challenge ahead of us: How do you improve on the greatest? We quadrupled our R&D budget, got some of the greatest minds in the industry and custom built a plethora of wheel-testing lab equipment. However, in addition to these, we had one ace up our sleeves: You. The feedback from our customers was invaluable. You people know bikes, and you know exactly what you want from a wheelset. Every YouTube review, every forum post, every Instagram hash-tag, every comment… we read them all. The consensus was clear. People wanted a wider rim; that was easy enough. But people also wanted Lighter, Stiffer, Faster. That got the engineers scratching their heads. They rose to the challenge and came back with a series of wheel that are on average 15% Stiffer, 6% Lighter and ready to make you faster.