Sun Ringle Bubba Rear Hub – 12 x 148mm 6-Bolt XD Black 32H. The Bubba hubs feature ClockD dual-adjustable ratchet rings. ClockD allows the rider to adjust the 6-pawl system from 8 degrees of engagement for fast heavy-duty use or to 4 degrees for super-fast engagement for technical riding. The shell is forged and post-op machined out of lightweight 6061 aluminum a stout 7075 aluminum axle and Shimano HG or SRAM XD freehub body options in the original Team 3D Violet ano.

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