Industry Nine Classic hubs are the heart of your wheelset, everything revolves around them, literally. Every Classic mountain hub is made start to finish in i9's Asheville, NC machine shop. From turning and milling bar stock 7075-T6 aluminum for shells, axles and encaps, wire EDM cutting A2 tool steel for pawls and driverings, to their own in-house anodization lab, every step of design, engineering, manufacturing, and assembly is done on premises to i9's exacting standards.
Hydra Classic mountain hubs are loaded with features every rider will appreciate such as revolutionary 0.52° engagement, generously low weights and an intuitive layout that can be serviced without any proprietary tools. The range boasts a universe of standard options in terms of axle fit, spoke hole drillings, disc rotor mounting, freehub bodies, and colors.
Details:
- Hub Drilling: 32h
- Hub/Brake Rotor Compatibility: 6-Bolt Disc
- Spoke Interface: J-Bend
- Bearing Type: Sealed Cartridge
Please reach out to us with any questions you may have on anything we sell. We want to make sure you get the right part the first time. Our lifelong riders at Thunder Mountain Bikes are knowledgeable and would love to talk to you!
Shipping
We currently offer both economy and expedited shipping options though FedEX and USPS.
Orders totaling over $49 are eligible to ship for free via an economy ground option of our choice.
If you're in need of something super-quick, please contact us directly. We may be able to overnight your order with an additional fee and depending on your location.
Returns
Should there be an issue with the item you bought, or you no longer need your purchase, we will be happy to set up a return.
All returns must be requested within sixty (60) days of the fulfillment date (i.e. the date we printed the shipping label and boxed up your order.) All returned items must be received in new and unused condition, with the original tags and labels attached, and in the original packaging. We cannot accept returns on any items that have been installed or show wear of any kind.
Return Process
To request a return, please visit: returns.thundermountainbikes.com and follow the steps to return eligible items from your order.
Refunds
After receiving your return and inspecting the condition of your item, we will process your return. Please allow at least seven (7) days from the receipt of your item to process your return or exchange. We will notify you by email when your return has been processed.
For all Special Order items, there is a 25% restocking fee. Special Order items are those that we do not currently stock.
Exceptions
For defective, damaged, or if we sent you the wrong products, please contact us using the phone number or email below.
Other questions?
If you have any questions concerning our return policy, please contact us at:
