The LightFast CSA Wide wheelset is a lightweight, high-performance carbon wheelset that has received strong praise from TheItalianCyclingVLOG for its impressive weight (around 1100-1148g), excellent crosswind stability, and responsive ride quality. The wheels feature a wide internal channel (24-25mm) that improves compatibility with modern tires, and they offer customizable profiles, finishes, and decals. While the wheels are not at their best on climbs and require more frequent maintenance due to their low weight, they represent good value, especially with discount codes and PD shipping that avoids customs fees.
Pros
- Very light weight: total 1148.2g (measured) or approximately 1100g (claimed)1
- New wider internal channel (24-25mm) improves compatibility with modern tires (28-43mm)1
- Excellent carbon fiber quality (Toray T1000) and well-made carbon spokes (flat, 3.7-3.8mm wide, 2.8g each)1
- Stable in crosswinds due to profile shape (35mm front, 45mm rear)1
- Responsive and rigid when climbing or sprinting1
- Ceramic bearings and 54-engagement ratchet hub1
- Customizable profile (35mm to 80mm), carbon finish (glossy, unpainted, raw), texture (1K, 3K, 12K, butterfly), and decals1
- Good value with discount code ($1299 or €1150 with 15% off) and no customs fees with PD shipping1
- Great packaging with extra spokes and tubeless valves included1
- Beautiful new logo and finish (laser-made, polished look)1
Cons
- Requires more frequent maintenance due to low weight1
- Not at their best on climbs, though still good1
- Reviewer suggests a 45mm+ profile might be more optimal for aerodynamics1
- Previous version had a 21mm internal channel that was considered obsolete1
- Requires taping for tubeless setup (internal channel is drilled)1
Key Facts
- Weight: rear 45mm - 643.8g, front 35mm - 505g, total 1148.2g (measured); approximately 1100g (claimed)1
- Internal channel width: 24-25mm (wider than previous 21mm)1
- External profile: 34mm (yt:1847); external width: more than 31mm (yt:1848)1
- Spokes: full carbon, flat, 3.7-3.8mm wide, 2.8g each, straight pull, 20 front and 20 rear1
- Hub: 54-engagement ratchet (or 45/54 customizable), ceramic bearings1
- Material: Toray T1000 carbon fiber1
- Tire compatibility: 28-43mm (yt:1848); 28-35mm clinchers or tubeless (yt:1847)1
- Price: from $1299, or €1150 with 15% discount code; PD shipping, no customs fees, European warehouse1
Sources
Reviews & Ratings
13:02The reviewer presents the LightFast CSA Wide wheelset as an updated version of a previously reviewed model, highlighting significant improvements. He praises the new design, wider internal channel, and overall performance, noting that the wheels are lightweight, stable in crosswinds, and well-suited for modern cycling. The reviewer expresses strong enthusiasm and plans to mount them on his bike.
14:36The reviewer discusses the LightFast CSA Wide wheelset, which features a 25mm internal width and a 34mm external profile. He has ridden them extensively over 1500 km, including a 160km ride, and praises their stability, responsiveness, and aerodynamic performance. He notes they are excellent all-round wheels, particularly suited for flat and downhill terrain, and highlights customization options and a discount code.
Where to Buy

LIGHTFAST ULTRA LIGHT CARBON SPOKE WHEELSET-LF CSA WIDE VERSION DISC BRAKE
Variants
| Configuration | Rim Depth Front | Rim Depth Rear | Weight |
|---|---|---|---|
| 3K 35/35 | — | — | 1,163g |
| 3K 45/45 | — | — | 1,203g |
| 3K 50/50 | — | — | 1,243g |
| 3K 60/60 | — | — | 1,333g |
| BF 35/35 | — | — | 1,163g |
| BF 45/45 | — | — | 1,203g |
| BF 50/50 | — | — | 1,243g |
| BF 60/60 | — | — | 1,333g |
| PF 35/35 | 35 mm | 1,093g | |
| PF 45/45 | 45 mm | 1,133g | |
| PF 50/50 | 50 mm | 1,153g | |
| PF 60/60 | 60 mm | 1,273g | |
Specifications
Attributes
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