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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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Description
EXT Ferro E-MX Fork Surron, Talaria, Eride proCORE FEATURES Robust dual crown inverted MX design (USD) 36mm hard chromed steel stanchions (heat treated 42CrMo4) with Superfinish surface treatment HS3 3 twin positive air system + 1 large negative self balancing air chamber, allows for an optimum level of support through all the travel High flow 3 way cartridge damper system with independent high & low speed compression plus rebound damping adjustment. Superfinish inner tube coating External
CORE FEATURES
- Robust dual crown inverted MX design (USD)
- 36mm Ø hard chromed steel stanchions (heat treated 42CrMo4) with Superfinish surface treatment
- HS3 3- twin positive air system ¬+ 1 large negative self-balancing air chamber, allows for an optimum level of support through all the travel
- High flow 3-way cartridge damper system with independent high & low speed compression plus rebound damping adjustment.
- Superfinish inner tube coating
- External pressure air release system on both legs
- Twin hexagonal floating axle, boost compatible ∅20mm
- Air spring and cartridge radial guide system with bespoke aeronautical seals (minimize friction on side loads)
- Large piston design for best damping control and separate IFP/coil energized compression valve
- No cavitation and low hysteresis
- Self-hydraulic cartridge bleeding
- Dedicated Mobile Sliding DU guiding system with super-long static overlap (for maximum guidance and best torsional rigidity). (CGB Continuously Guided Bushing system, increase stiffness)
- 205 mm of travel and 44 mm offset
- 200 mm post mount brake
- Weight 4000gr
- Pressure release one-way valves on both legs
- Compatible with stock fender design
- Boost Hub Spacing for more flexibility with after market wheel sets.
NOTICE: If you are running a stock wheel or a wheel that is not specifically designed for use with BOOST hubs you will need to install a rotor adaptor that is available HERE
Note: For the Sur Ron if you are not on the most current model a head tube reinforcement clamp is recommended. This item is standard equipment on the current Model year bikes. We have them available for purchase on request.
Bike Compatibility:
| Manufacturer | Model | Direct fit? | Notes |
| Surron | LBX/S | Yes w/ Boost Rotor Spacer | All model Years Compatible |
| Talaria | MX3/4 | Yes w/ Boost Rotor Spacer | Recommend Drop Crown for MX versions and Flat for xXx |
| xXx | |||
| MX5 | No | MX5 Version Available Soon! | |
| E-Ride Pro | S/SS/2.0 | Yes w/ Boost Rotor Spacer | N/A |
| 3.0 |
Yes, with available EXT Brake adaptor |
The fork will fit the SR model as well but will not be covered by warranty. | |
| Ventus One/One+ | N/A | Yes w/ Boost Rotor Spacer | N/A |
| 79 Bike | N/A | Yes w/ Boost Rotor Spacer | N/A |
| Rawrr |
Mantis & Mantis X |
Yes w/ Boost Rotor Spacer | N/A |
| Zero | XB | Yes w/ Boost Rotor Spacer |
N/A
|
| Rerode | R1 & Ewatt 2.0 | Yes w/ Boost Rotor Spacer |
N/A |
| Other Brands | N/A | N/A | Please Email us for Inquiries |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
It is an air filter
Fit perfect easy replacement and saves $$$.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
Perfect fit for 2020 Subaru Outback
Fit my 2020 Subaru Outback perfectly. 5-minute install. Works great. My previous cabin filter was scary to see.
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Reviewed in the United States on December 16, 2025
★★★★★ 5
Good, inexpensive replacement filter
I've used these filters for a couple years (four replacements) on my Subaru Crosstrek, and they seem to do the job well, probably as well as the original. I generally remove and clean them every three months, and replace them every six.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Save some money by doing your own cabin filter change! (You won't notice a difference).
So, one day I was getting an oil change at the dealership, and the associate told me that cabin filter was pretty dirty, which I believed because of the places I take the car, and she said that they could change it while they were finishing up the rest of their inspection, since they already had it apart. I asked her "How much?", and then we both had a laugh when she said "$90." I told her I'd take care of it.
It took two days for Amazon to get a replacement filter to me, twenty minutes to watch a You Tube video showing how to replace the cabin filter on my car (I watched it twice), and then about twenty-five minutes to replace the filter itself--I keep a messy glove compartment, so a good portion of the time was loading and unloading that nightmare.
In the end, under $15 for the filter, maybe 45 minutes to watch and replace, and the cabin filter hasn't been this good since I first bought the car.
This replacement version was as good as the OE filter, fit exactly the same, there's no difference in airflow that I can tell, and so far (6 months later), it seems to be holding up pretty well. We'll see what it is like after a year. I did get the oil changed about a week ago, and the technician didn't raise any alarms about the filter, so everything seems to be working.
$90 for a new filter? You can do it yourself cheaper.
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Reviewed in the United States on April 6, 2026
★★★★★ 4
Fresh Air Upgrade for My 2024 Impreza
Installed this in my 2024 Subaru Impreza, and it fit perfectly—no issues. The air smells noticeably cleaner now, and it took less than 10 minutes to swap out. The carbon and HEPA filtration does a great job clearing out odors, dust, and pollen—definitely an upgrade over the factory filter.
The build feels sturdier than the OEM version, though it does have slightly fewer pleats. Might mean it needs replacing a bit sooner, but for the price and performance, I’m fine with that tradeoff.
If you’re looking for a quick, affordable way to improve your cabin air, this one’s a solid pick.
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Reviewed in the United States on June 26, 2025