NAHBS 2017: Project 321 introduces low drag, high engagement magnetic Drive System that is quiet or loud - your choice - Bikerumor
MTB Mountain Bike Hubs, Disc Brake, Front and Rear Hub, Sealed Bearing, DT Ratchet Tooth, 120 Click, Loud Sound, 32H, 36H - AliExpress
Top 5 MTB Hubs | Spank, i9, Onyx, DT Swiss, Hope
Are Loud Mountain Bike Hubs Better? | MTBprogress
THE BEST WAY TO MAKE YOUR MTB HUB LOUDER!! (HOPE) - YouTube
Updated: Tairin Wheels' silent star-ratchet hub is coming soon w/ modular quiet and loud modes too - Bikerumor
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