The NO.6 45/50 UD SUPERLIGHT CARBON SPOKE DISC WHEELSET is widely praised for its exceptionally low weight, wide rims that enhance comfort and tire volume, and strong value compared to premium competitors. While most reviewers highlight excellent stiffness, crosswind stability, and ride quality, some note a lack of aerodynamic data, a harsh ride on cobblestones, and limited availability of certain depth combinations. The wheelset is seen as a versatile, high-performance option for road and gravel riders seeking a modern wide-rim design.
Pros
- Very light weight: claimed 1,260g, measured 1,237-1,285g, significantly lighter than many competitors.123
- Wide internal rim widths (28mm front, 24mm rear) provide excellent comfort, improved cornering grip, and allow larger tires (28-32mm) that inflate wider.145
- Stiff and responsive, with good power transfer and acceleration.163
- Stable in crosswinds and corners, with predictable handling.163
- Competitive price ($1,500-$1,540) and strong value compared to wheelsets costing $2,000-$2,500+.253
- Tubeless compatible with hooked rim design, easy setup, and tires mount and inflate easily.123
- Ceramic bearings (standard or CeramicSpeed upgrade) and durable star ratchet hub with upgradeable engagement.253
- Good build quality and clean carbon structure; no issues after 1,000 km of testing.3
- Versatile for both road and gravel use, suitable for various terrains.16
- Aesthetically pleasing with white or black logo options and unpainted carbon finish.26
Cons
- No wind tunnel aerodynamic data provided; aero performance is only on par with some competitors (e.g., Reserve 44/44), not significantly better.15
- Stiffness can lead to a harsh ride on cobblestones (minor complaint).3
- No rim brake option available.2
- Some riders may find the wide rims and tires feel like a mountain bike setup, especially when coming from narrower tires.5
- Stock star ratchet has only 32 engagement points (upgradeable to 54), which may be less than some prefer.5
- Not recommended for tires smaller than 28c.2
- Higher price for CeramicSpeed bearing version (over $2,000) and no discount codes available due to fixed pricing policy.6
- Minor issue with valve during installation (possibly user error); some boxes may not include tubeless valves despite being mentioned as included.12
Key Facts
- Claimed weight 1,260g; measured weights range from 1,237g to 1,285g depending on accessories and rim tape.123
- Rim depths: 45mm front, 50mm rear; internal widths 28mm front and 24mm rear; external widths approximately 34.4mm front and 31.4-31.5mm rear.263
- Carbon spokes (straight-pull, 3.8mm wide, ~3.2g each), 20 front and 20 rear.163
- Hub: one-piece CNC aluminum with star ratchet freehub, 36-tooth stock (upgradeable to 45 or 54), ceramic bearings standard (CeramicSpeed on Anniversary Edition).123
- Hooked rim, tubeless compatible; recommended tire width 25-32mm; 28mm tire measures ~33.8mm on wide front rim.213
- Price: $1,500 USD (standard) or $1,540 USD; Anniversary Edition with CeramicSpeed bearings ~$2,180 USD (€1,750); 10% discount code available.123
- Warranty: 2-year manufacturer warranty plus lifetime crash replacement program; free worldwide shipping.2
- Rider weight limit: 120kg.2
Sources
- 1Harry MacA very weird wheelset - No.6 wheelset review
- 2GC PerformanceCraft Racing Wheels Finally Have Some Competition * No.6 45/50 ULTRALIGHT Wheels*
- 3bergauf.ccNo 6 Laufräder Test: Sensationell 45/50 Superlight im Praxiseinsatz
- 4Klein ConceptGame Changer or Hype? No.6 Wide Carbon Wheels
- 5NorCal CyclingI Updated My Race Wheels...
- 6TheItalianCyclingVLOG🇮🇹Comfort Estremo e Prestazioni Top? La Verità sulle No.6 45/50 - Valutazione a lungo termine
Reviews & Ratings
12:47The reviewer highly praises the NO.6 45/50 UD Superlight Carbon Spoke Disc Wheelset, describing it as a top-quality racing wheel that excels in comfort, stability, and performance. He notes its suitability for imperfect roads due to a wide internal channel, its resistance to crosswinds, and its lightweight construction. Despite a higher price compared to competitors, he considers it a worthwhile all-round wheelset.
12:24The reviewer discusses the NO.6 45/50 UD Superlight Carbon Spoke Disc Wheelset, highlighting its wide rims (35mm external, 28mm internal) that accommodate larger tires for improved aerodynamics, comfort, cornering, and rolling resistance. The wheels feature standard bladed carbon spokes and a star ratchet freehub design with ceramic bearings. The reviewer notes the wheelset is significantly lighter than his previous race wheels (1260g vs 1460g) and performs similarly in aerodynamic tests. He praises the ride comfort and confidence from the wide tires, and mentions the price of $1,500 with a 10% discount, considering it a good value compared to competitors.
09:47The reviewer discusses the NO.6 45/50 UD SUPERLIGHT CARBON SPOKE DISC WHEELSET, noting that he is using a unique combination of a 45mm front wheel and a 58mm rear wheel, which is not currently available as a stock option. He praises the wide inner width of the front wheel for providing comfort without sacrificing speed, and mentions the wheelset's light weight (just over 1300g) and good looks. He considers it a very good all-rounder and appreciates the innovation in the wheel space.
16:34The reviewer introduces the NO.6 45/50 UD Superlight Carbon Spoke Disc Wheelset, highlighting its competitive price, light weight, and wide internal rim widths. He plans to test them on his bike and compares them to other high-end wheels.
04:40The reviewer praises the NO.6 45/50 UD SUPERLIGHT CARBON SPOKE DISC WHEELSET as possibly the nicest wheels they've ever seen, highlighting their incredible lightness (1,090g), wide rim, tubeless readiness, and value for money at £1,200. They compare favorably to more expensive options like Envy and DT Swiss, noting significant weight savings and lower cost.
10:25The reviewer describes the NO.6 45/50 UD SUPERLIGHT CARBON SPOKE DISC WHEELSET as extremely wide and light, with a claimed weight of 1,260g. They highlight the unique design with a wider front rim, carbon spokes, ceramic bearings, and a one-piece aluminum hub. The reviewer praises the comfort, handling, and stiffness, calling them the best wheels they've ever ridden, but notes a minor issue with the valve during installation and a lack of aerodynamic data.

The reviewer praises the No.6 45/50 UD Superlight Carbon Spoke Disc Wheelset, highlighting its combination of low weight, aerodynamic depth, and wide internal width suitable for modern tires. They note excellent build quality, stiffness, and the inclusion of CeramicSpeed bearings in the Anniversary Edition. The wheels performed well in testing, with no issues over 1000 km, and are considered a great value compared to more expensive options.
Where to Buy

NO.6 45/50 UD SUPERLIGHT CARBON SPOKE DISC WHEELSET


NO.6 30/30 UD SUPERLIGHT CARBON SPOKE DISC WHEELSET

Variants
| Configuration | Weight |
|---|---|
| 30/30 | 1,098g |
| 45/50 | 1,260g |
Specifications
Attributes
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