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28 Finley Drive
#1
Sedona AZ 86336
United States
+19282821106
The Hydra2 Enduro-S combines steel spokes and an alloy rim to deliver legendary i9 performance and engagement at a more affordable price for budget-conscious riders. Thanks to i9's hollow bead wall technology, you can avoid pinch flats, while Hydra2’s instant engagement ensures every millisecond counts. Whether you're pushing for a top spot on Strava or aiming for EWS success, the Enduro-S Hydra2 gives you the reliability to tackle the mountain quickly, without breaking the bank.
| Built For: | The Privateer |
| Position: | Front & Rear |
| Rim Model: | Enduro 300 |
| Hub Model: | Hydra 2 |
| Spoke Model: | Sapim Race |
| Weight: | 1845g (27.5"), 1935g (29") (per wheelset) |
| Warranty: | 2 Years (Click here for details) |
| Rotor Mount: | 6-bolt |
| Holes: | 32 hole |
| Points of Engagement: | 870 |
| Drive Ring: | 145 tooth |
| Pawls: | 6 |
| Engagement: | .41 degrees |
| Material: | Aluminum |
| Tire Width: | 2.30" - 2.80" |
| Inner Rim Width: | 30mm |
| Outer Rim Width: | 37.6mm |
| Included Valve: | 40mm Presta |
| Material: | Aluminum |
| Rim Tape: | Included and installed |
| Tubeless Ready: | Yes |
| Rim Weight: | 490g (27.5"), or 520g (29") |
| Spoke: | Sapim Race 14g, j-Bend |
| Material: | Steel |
| Nipple: | Sapim alloy double lock |
| Spoke count: | 32 |
Please reach out to us with any questions you may have on anything we sell. We want to make sure you get the right items the first time. Our lifelong riders at Thunder Mountain Bikes are knowledgeable and would love to talk to you!
We currently offer both economy and expedited shipping options through FedEX and USPS.
Most orders totaling over $59 are eligible to ship for free via an economy ground option of our choice.
Due to larger box sizes, handlebars and other oversized items will have an additional shipping fee.
Most bikes ship free within the continental US. Bike shipping to AK, HI, or PR is available at an additional charge depending on the exact delivery location.
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 depending on your location.
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.
Returns may be requested within sixty (60) days of the delivery date. All returned items must be received in new, unused, and uninstalled condition, with the original tags and labels attached and in the original packaging. We cannot accept returns on any items installed or show wear of any kind.
Returns or exchange requests for bikes must be requested by emailing us at sedona@thundermountainbikes.com within fifteen (15) days from the date of delivery. Bikes must be in un-ridden condition. Custom-built bikes may not be returned. Returned bikes have a $200 restocking fee and the customer pays for return shipping.
Customers may choose to use our provided flat-rate return shipping label at $9, or choose a carrier of their choice to handle their product return.
The $9 flat rate label will be deducted from the refund issued for the return. You can either print this label after requesting a return from the Order History in your Account profile, or you can request that we email you the label.
For all other return shipping methods, please email us at sedona@thundermountainbikes.com after submitting your return request so that we can confirm the shipping information you should use to return your item(s).
We will process your return after we receive your returned item(s) and inspect the condition. Please allow at least seven (7) days from the receipt of your item to process your refund. We will notify you by email when your return has been processed.
If you receive defective or damaged products or if we sent you the wrong products, please contact us using the phone number or email below.
To request a return, please log in to your customer account by clicking the 
Profile icon in the top right of any page or visit account.thundermountainbikes.com.
1. In the Email field, enter your email address and click Continue.
2. In your email account, open the email sent from our store and copy the six-digit verification code included in the email.
3. Go back to the online store and enter a six-digit verification code to log in.
4. Find and click on the order you want to submit a return for.
5. If your order has more than one item, select only the items you want to return.
6. Select a return reason and add a note for the store if needed.
7. Click Request Return.
Once your return request is approved, you will receive an email with shipping instructions and a return shipping label.
If you have any questions concerning our return policy, please contact us at:
