Tempo65 Negative Split Carbon Wheelset — Aerodynamic Road Cycling Engineered for speed-focused riders, the Tempo65 Negative Split Carbon Wheelset is the aero partner you reach for when sprint finishes, crit rounds, or triathlon transitions demand instant acceleration and rock-steady stability. If you’re a sprinter who loves to surge, a criterium racer chasing the last watt, or a triathlete who pushes hard to the finish, these wheels are built to deliver real-world aero advantage and dependable performance at race pace. The Tempo65 lineup carries forward the Scale65 design philosophy with a hooked rim for secure tyre mounting and easy setup. It’s Tubeless Ready out of the box, while clincher compatibility is available if you prefer tubes. This makes setup faster and tyre choice more flexible, so you can tailor the ride to race conditions without compromising integrity or speed. Rims are paired with the latest generation of DT Swiss Ratchet hubs, offering a reliable, crisp freewheel sound and consistent engagement that you can count on during aggressive accelerations and late-race bursts. Combined with an aero-oriented rim profile, you get a wheelset that reduces drag where it matters most and translates that saving into quicker, more repeatable laps. Key specifications CERTIFICATION FERNMARK LICENCE NO. 100715 WEIGHT Front 772g Rear 887g | Wheels only / no rim tape, cassette, tyres or tubes or rotors TYRE SYSTEM Tyres and tubes, or tyres only (tubeless) TYRE COMPATIBILITY Recommended tyre widths: 25mm - 30mm OVERALL DIMENSION 700C ⌀632mm WIDTH 21mm internal / 28mm external rim width Tyre choices are versatile, with tubeless options that reduce rolling resistance and pressure-relief spikes in variable weather. For sizing, the recommended range of 25mm to 30mm tyres pairs perfectly with the 21mm internal / 28mm external rim width, delivering an efficient aero profile without compromising ride comfort. The overall diameter remains standard 700C, ensuring compatibility with most modern frames and brake systems. Spoked with precision and attention to weight, the Tempo65 uses high-grade components to maximize efficiency. For strength and reliable performance, consider Sapim CX-Leader (6.7g/pc) spokes, a proven choice for aero wheels that don’t compromise stiffness or responsiveness during accelerations. And to help you protect and transport these wheels, look no further - NSC Wheelcase Look no further - NSC Wheelcase. If you’re building or tuning your setup, you can take advantage of the dedicated setup service to optimize spoke tension, dish, and tubeless sealant application. add the set up service here so you get the most out of every ride. Real-world advantages you’ll feel Instantaneous acceleration and stable high-speed handling thanks to a purpose-built aero profile designed for speed at race pace. Secure tyre mounting with a hooked rim design (inspired by Scale65 lineage) that makes tyre changes quick and predictable, whether you’re running tubeless or clincher setups. Reliable engagement and predictable braking with the latest DT Swiss Ratchet hubs, delivering confidence on fast corners and during late-race descents. Versatile tyre compatibility that lets you ride with 25–30mm tyres for the ideal balance of grip, comfort, and aero performance. Clear certification and tested reliability, backed by FERNMARK licensing for peace of mind on race day and in training. These wheels sit squarely in the Sporting Goods > Outdoor Recreation > Cycling > Bicycle Parts > Bicycle Wheels category, crafted for competitive riders who demand tangible speed gains without compromising reliability or setup convenience. Designed for the real-world racer, the Tempo65 Negative Split Carbon Wheelset helps you shave seconds off your best laps and clock faster splits in every race. Whether you’re chasing a podium finish or simply pushing your personal best, this wheelset is engineered to keep you ahead when it matters most. To verify compatibility and options, you can refer to the compatibility guide, or consult the wheel setup and accessory offerings to tailor the wheelset to your discipline and course demands. CERTIFICATION FERNMARK LICENCE NO. 100715 WEIGHT Front 772g Rear 887g | Wheels only / no rim tape, cassette, tyres, tubes or rotors TYRE SYSTEM Tyres and tubes, or tyres only (tubeless) TYRE COMPATIBILITY Recommended tyre widths: 25mm - 30mm OVERALL DIMENSION 700C ⌀632mm WIDTH 21mm internal / 28mm external rim width DEPTH 65mm rim depth RIM Carbon Fibre Toray T700, U-shape HUBS DT Swiss 350 Straightpull Centerlock [12x100mm / 12x142mm Through Axle (standard)] Ratchet system and Steel bearings See compatibility guide SPOKES Front 24 Rear 24 Pattern | Two-cross Sapim CX-Leader (6.7g/pc) Straightpull NIPPLES Visible TAPE Yes - Tubeless tape installed FINISH UD - Black matte | Coated decals (NOT STICKERS) BRAKING SYSTEM Centrelock Disc ASSEMBLY Proudly hand-built by the world's greatest carbon fibre artisans in Xiamen, People's Republic of China MAXIMUMS Typre Pressure 110psi - check tyre sidewall for maximum tyre pressure Max rider weight 130kg PACKAGE Moved using local couriers - air and land transportation as required 800mm x 650mm x 170mm, 3.6kg Included in the box: -Wheelset -Tubeless Rim tape installed -Booklet -Welcome to nscarbon, Set up and Maintenance guide
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