RUJIXU Sealed Bearing MTB Hub Performance and Design
Sealed bearings protect the entire drive mechanism from contamination during muddy descents and stream crossings, extending service life significantly beyond exposed bearing designs. The 6 bolt disc brake interface accepts standard hydraulic and mechanical systems while the 32 hole configuration balances spoke count for durability and weight. Smooth sealed bearings roll effortlessly through thousands of rotations, and the distinctive 690 sound indicates proper engagement with each pedal stroke. Six claw pawls bite decisively into the ratchet ring, transmitting power instantly without lag or slip. This MTB hub construction suits riders running 7 to 12 speed cassettes on trails, enduro courses, and all-mountain bikes.








K***r –
The product was different from the picture and poorly made; I returned it and received a refund!