The Particle GCX45 Hyperlight Carbon Spoke Disc Brake Road Wheels are an ultra-light, high-quality wheelset praised for their sub-1kg weight, excellent build quality, and stable, comfortable ride. Both independent reviewers agree they are best suited for lighter riders (100kg limit) and climbing or all-around use, though the high price and limited momentum retention are noted trade-offs.
Pros
- Extremely lightweight (sub-1 kg), noticeably lighter than many alternatives12
- High build quality with consistent spoke tension, perfect dishing, and clean rim interior12
- Excellent crosswind stability due to shallower profile and wide rim12
- Comfortable ride compared to other carbon spoke wheels12
- Easy tubeless tire mounting with a floor pump1
- Responsive to accelerations and precise, rigid handling2
- Transparent quality control with detailed wheel-building report1
- Eco-friendly packaging with minimal plastic1
- Donates 10% of profit to charity and offers 25% crash replacement discount1
- High-quality carbon fiber with no visible imperfections and laser-etched branding2
Cons
- Higher price compared to many other Chinese carbon wheels12
- Lower rider weight limit of 100 kg (most carbon wheels rated for 120 kg)12
- Does not maintain momentum as well as heavier wheels; loses speed faster when coasting1
- Not primarily designed for aerodynamic racing or criteriums2
- Front wheel had a small lateral deviation (less than 0.3 mm) from perfect trueness1
- Four rear spokes were outside 5% average tension tolerance1
- Confusing rim depth options (45 mm, mullet 45, 52 mm, 52 mm) with overlapping increments1
Key Facts
- Weight: 955–980g per wheelset (530g rear), confirmed on scale2
- Internal rim width: 25mm2
- Rider weight limit: 100kg12
- Spokes: fourth-generation carbon spokes with straight pull technology, 20 front and 20 rear2
- Hubs: 36-tooth ratchet with wave spring, steel SNS bearings (ceramic upgrade available)12
- Rim: hooked, U-shaped, 45mm depth, 31.6mm external width1
- Tubeless ready, comes set up tubeless with rim tape and valves included12
- Certification: UCI approved, passed tests at twice or three times the required load2
- Price: around $1900, with 15% discount available using reviewer's code2
Reviews & Ratings
17:33The reviewer presents the Particle GCX Hyperlight Carbon Spoke Disc Brake Road Wheels as an ultra-light, high-quality alternative to mainstream brands. He highlights their low weight (980g), excellent build quality, advanced carbon spoke technology, and wide internal rim width. He mentions a giveaway and plans a future road test. He also criticizes a Chinese brand for poor quality and unethical behavior, contrasting it with Particle's professionalism.
13:38The reviewer discusses the Particle GCX Hyperlight Carbon Spoke Disc Brake Road Wheels, an American-branded, Chinese-manufactured wheelset with a 45mm profile and a weight of 955g. He praises their lightweight construction, stability, and performance, particularly in climbing and descending, and notes they are certified and have passed rigorous testing. He considers them a high-quality, all-around wheelset despite the higher price.
09:22The reviewer praises the Partical GCX45 Hyperlight wheels for their extremely low weight (sub-1 kg), high-quality construction, and excellent ride feel, particularly for climbing and acceleration. They note that the wheels are best suited for lighter riders and those who prioritize responsiveness over momentum.
CYCLISTSHUBWhere to Buy
Particle GCX Hyperlight (Road/Gravel)
Specifications
Attributes
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