FEREI MTB(DH) Bicycle Soundless Hub Wheels

2025 Wheels Revolution: How FEREI's Soundless Wheels Becomes a Game Changer on the Racecourse
FEREI's Soundless Wheels redefines the boundaries of racing wheel technology in 2025 with its revolutionary design, characterized by the phrase "Silent as the abyss, powerful as thunder." It opens a new era of "silent victory" in competitive cycling.
Noise equals power loss, and noise reduction equals efficiency gain. The FEREI wheels is equipped with FEREI’s newly patented unidirectional silent ratchet system, providing an almost silent riding experience. This allows riders to clearly hear team commands while cornering at high speed or achieve "silent coordination" in team time trials.

PRODUCTS FEATURE

Soundless as a Whisper:By leveraging the principles of unidirectional bearings and replacing conventional toothed structures with needle rollers and high-precision bearing technology,the Q Series hubs deliver an almost noiseless ride.It's like gliding through the air without a sound—pure cycling poetry.
Effortless Glide:During cruising,the 360°full disengagement of the system mimics the seamless performance of a pure bearing,offering ultra-low resistance and a smooth,gliding deceleration.The lower the friction,the more you feel like you're flying.
Hyper-Efficient Power Transfer:The ratchet sleeve's 360-degree coverage of the ratchet seat ensures near-zero engagement,allowing for real-time power transmission without any hesitation.Every pedal stroke translates directly into forward motion—no delays,no compromises.

Rim Material	Carbon Fiber
Weight	DH 29"（front 835g±15g/rear 985g±15g）DH27.5"（front 815g±15g/rear 958g±15g）
Wheel Size	29ER/27.5ER
Rim Dept	29ER-30mm/27.5ER-27mm
Rim External Width	36mm
Rim internal Width	31mm
Tire types	Clincher/Tubeless Ready
Hub system	Ferei Patented Unidirectional silent ratchet system
Hub body	Aluminum Alloy （CNC Precision Machining）
Bearings	Enduro (steel)
Holes	front-32 holes ( j-bend)、rear-32 holes (j-bend)
Free hub	Shimano/Sram
Axle	DH(Front: 20X110mm，Rear：12X150/157mm)
Spoke	SAPIM D-Light 1.65