Carbon Wheel
DH29 & DH27.5
| Weight | Depth | Width Ext | Width Int | Size |
|---|---|---|---|---|
| 1740g |
29”-30mm 27.5”-27mm |
36mm | 31mm | 700C/650B |
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Overview
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| RIM | |
| Series | DH |
| Tire Compatibility | Clincher/Tubless |
| Rim Depth |
29''-30mm 27.5"-27mm |
| External Width | 36mm |
| Internal Width | 31mm |
| Rim Diameter | 700C/650B |
| Rim Material | T700 |
| SPOKEN | |
| Spoken type | Pillar PSR TB 2015 |
| Spoken Pattern | 1:1(F/R) |
| Spoken Count | F/R:32 |
| HUB | |
| Hub system | Ferei Patented Magnetic Coupling System |
| Hub body | Aluminum Alloy(CNC Precision Machining） |
| Free Hub | HG/MS/XD |
| Bearings | Steel bearings |
| Brake compatibility | Disc (Six Bolt) |
| Front Hub Spacing | 20*110mm(boost) |
| Rear Hub Spacing |
12*150mm 12*157mm |
| Other | |
| Weight |
29" front （845g±15g)rear (975g±15g） 27.5" front （805g±15g)rear (935g±15g） |
Take a Closer Look
TECHNOLOGY
We pioneer the future of engineering, seeking perfection in every detail. Our mission is to redefine the frontiers of possibility with our breakthrough in-house innovations.
AOTOAO
FCT
Silent Hub
ENGAGEMENT ANGLE
RATCHET EXP
BEARING
TUBELESS TECHNOLOGY
Support
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There are big gaps between the no-working side of hub and ratchet wheel so that they are easier to maintain and support services. In addition, the ratchet wheels have uniformly forces because the up and down wheels apply to many springs to clutch work, and make sure every time clutch works can be finished completely. It can be make sure the up and down ratchet wheels finished all-geared driving work fully that not appear to the break away from geared work conditions.
There are big gaps between the no-working side of hub and ratchet wheel so that they are easier to maintain and support services. In addition, the ratchet wheels have uniformly forces because the up and down wheels apply to many springs to clutch work, and make sure every time clutch works can be finished completely. It can be make sure the up and down ratchet wheels finished all-geared driving work fully that not appear to the break away from geared work conditions.
There are big gaps between the no-working side of hub and ratchet wheel so that they are easier to maintain and support services. In addition, the ratchet wheels have uniformly forces because the up and down wheels apply to many springs to clutch work, and make sure every time clutch works can be finished completely. It can be make sure the up and down ratchet wheels finished all-geared driving work fully that not appear to the break away from geared work conditions.
There are big gaps between the no-working side of hub and ratchet wheel so that they are easier to maintain and support services. In addition, the ratchet wheels have uniformly forces because the up and down wheels apply to many springs to clutch work, and make sure every time clutch works can be finished completely. It can be make sure the up and down ratchet wheels finished all-geared driving work fully that not appear to the break away from geared work conditions.
There are big gaps between the no-working side of hub and ratchet wheel so that they are easier to maintain and support services. In addition, the ratchet wheels have uniformly forces because the up and down wheels apply to many springs to clutch work, and make sure every time clutch works can be finished completely. It can be make sure the up and down ratchet wheels finished all-geared driving work fully that not appear to the break away from geared work conditions.
There are big gaps between the no-working side of hub and ratchet wheel so that they are easier to maintain and support services. In addition, the ratchet wheels have uniformly forces because the up and down wheels apply to many springs to clutch work, and make sure every time clutch works can be finished completely. It can be make sure the up and down ratchet wheels finished all-geared driving work fully that not appear to the break away from geared work conditions.
There are big gaps between the no-working side of hub and ratchet wheel so that they are easier to maintain and support services. In addition, the ratchet wheels have uniformly forces because the up and down wheels apply to many springs to clutch work, and make sure every time clutch works can be finished completely. It can be make sure the up and down ratchet wheels finished all-geared driving work fully that not appear to the break away from geared work conditions.
There are big gaps between the no-working side of hub and ratchet wheel so that they are easier to maintain and support services. In addition, the ratchet wheels have uniformly forces because the up and down wheels apply to many springs to clutch work, and make sure every time clutch works can be finished completely. It can be make sure the up and down ratchet wheels finished all-geared driving work fully that not appear to the break away from geared work conditions.
HOW WE MADE IT
Global approach
Since entering the cycling industry in 2019, FEREI has been at the forefront of carbon fiber wheelset innovation and design. Guided by our proprietary technologies and distinctive design philosophy, we continuously refine every detail to stay ahead of the curve — delivering wheelsets that redefine performance and reliability. At FEREI, our vision is global, and our pursuit is excellence. Each wheelset is crafted to achieve the perfect balance of lightness, strength, stiffness, aerodynamics, and rotational efficiency — empowering riders to experience speed and control at their absolute best.
Engineered in the Carbon Belt
When our engineers envision a new product, they design not only the wheel itself but also the entire industrialization process behind it. Drawing on our deep roots in carbon fiber manufacturing, we develop all the production equipment required to build our wheelsets — including custom machinery, molds, and precision tools — as well as the testing systems used for continuous improvement and validation. This complete control over both product design and manufacturing ensures that every FEREI wheelset delivers the performance, reliability, and exceptional value our riders expect.
Validated by the greatest champions
Our long-term partnership with Red Bull extreme sports riders allows us to test and refine our products alongside some of the world’s top athletes. Through these real-world, high-intensity experiences, we continuously push the boundaries of performance, durability, and precision. Beyond our collaboration with Red Bull, many professional and amateur athletes — not only those officially sponsored by us — choose FEREI products to upgrade their performance. This trust from the community stands as the strongest proof of our product quality, reliability, and commitment to excellence.