FEREI MTB(AM) Bicycle Soundless Hub Wheels

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	AM 29"（front 800g±15g/rear 970g±15g）AM27.5"（front 785g±15g/rear 938g±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	AM(Front: 15x110MM， Rear：12x148MM )
Spoke	SAPIM D-Light 1.65