Frequency Adjust Ratchet Technology for Hydra and torch hubs, offering rider adjustable volume - which naturally goes all the way up to 11.
Hydra 6 bolt mountain rear endcap. This is the non-drive side endcap. This VOLUME KNOB does not function as a volume knob in any fashion. It's a fun novelty piece to make you smile and help musicians. $25 of each sale will be donated to IamAVL Musicians Relief Fund.
Hydra 6 bolt mountain rear hubshells with the following: 12x142, 12x148, 12x157, 12x177, 12x197 Spring 2017 - 2019 Torch 12x148 Boost 6 Bolt hubs.