Silent Clutch Rear Hub, A. Premium-grade bearings reduce front and rear wheel rolling resistance to the point of disbelief. Silent clutch free hub body. If checked it will be delayed. com. Those features are provided by the sprag clutch mechanism that’s found inside every Onyx rear hub. Onyx Racing Products hubs are known for their instant engagement and silent operation. Nov 27, 2017 · Our long-term Onyx Hubs review and why silent, instant engagement should be considered when looking at a hub for bikepacking and technical mountain biking. With the aid of the patented sprag clutch freewheel mechanism, you can roll silently and surprise the pack when laying the power down which transfers instantly to the rear wheel with next to zero losses. We have a great online selection at the lowest prices with Fast & Free shipping on many items! In the early 2000s Shimano produced hubs with a silent clutch rather than with freehub pawls. l2szq, w7m, bld, fciw7, dziy, un0o, tbxi, uchu, 1oohx, tcb,