SKU: 53175141740

Eflite UMX Viper 30mm EDF Jet BNF Basic with AS3X and SAFE Select

Sale price$179.99 Regular price$199.99
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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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Description

Eflite UMX Viper 30mm EDF Jet BNF Basic with AS3X and SAFE SelectEflite UMX Viper 30mm EDF Jet BNF Basic with AS3X and SAFE Select Derived from the extremely popular 64mm, 70mm and 90mm versions, this model offers a jet experience that is unparalleled in its class. The perfect choice as an EDF jet or for daily use ideal for pilots with some experience. Equipped with a 30mm impeller, a powerful 4S compatible outrunner motor and ESC. Thanks to the innovative and optionally usable SAFE Select flight attitude

  • Eflite UMX Viper 30mm EDF Jet BNF Basic with AS3X and SAFE Select

    • Derived from the extremely popular 64mm, 70mm and 90mm versions, this model offers a jet experience that is unparalleled in its class.
    • The perfect choice as an EDF jet or for daily use – ideal for pilots with some experience.
    • Equipped with a 30mm impeller, a powerful 4S-compatible outrunner motor and ESC.
    • Thanks to the innovative and optionally usable SAFE Select flight attitude limitation, flying is easier than ever.
    • Factory pre-assembled and almost ready to fly straight out of the box.

    UMX Viper 30mm EDF Jet BNF Basic with AS3X and SAFE Select features

    • Scaled down from the extremely popular 64mm, 70mm and 90mm models to offer a jet experience that is unique in this class.
    • Scale jet model with exceptionally smooth handling and impressive aerobatic capabilities
    • The best choice for EDF jets overall and as an everyday jet for pilots with some experience.
    • 30mm impeller with powerful, 4S-compatible outrunner motor and controller
    • Real-time battery voltage and other telemetry data when using compatible remote controls
    • Spektrum receivers with fly-by-range telemetry and industry-leading 2.4GHz DSMX technology
    • Easier to fly thanks to innovative SAFE Select flight attitude protection, optionally switchable.
    • Unrivaled stability and a precise, solid flight feel thanks to exclusive AS3X technology
    • Takeoff and landing on level surfaces possible with landing gear and steerable nose wheel installed.
    • Detachable landing gear and use of the automatic hand-launch assistant when flying over grass or other suitable surfaces
    • Removable wings with quarter-turn knurled screw and plug-in connections for easier storage and transport
    • Functional LED lighting for better visibility and orientation
    • Pre-assembled at the factory and almost ready to fly straight out of the box
    • Unique and iconic design by Aircraft Studio Design
    • Fully functional 4-channel control system including working rudder
    • No FAA registration or remote ID is required, as it weighs less than 250 grams takeoff weight.

    Skill Level 2 – Some experience required

    Level 2 difficulty aircraft, like this model, are ideal for model pilots who already have some experience and are able to assemble, set up, and fly similar models. Before attempting to fly the UMX Viper 30mm EDF, you should have gained experience and the necessary skills handling more powerful ultra-micro models, as well as larger models such as the E-flite T-28 Trojan 1.1m, the Valiant 1.3m, or the various Timber 1.5m models. Familiarity with other EDF models, such as the E-flite Habu SS (Super Sport) in 50mm or 70mm, is also recommended.

    Bind-N-Fly equipment advantage

    Do you already own a Spektrum™ transmitter? With Bind-N-Fly (BNF) models, taking to the skies has never been easier or more convenient. These models come ready to fly right out of the box, with the power system, servos, and a Spektrum 2.4GHz receiver installed. All you have to do is bind the receiver to a compatible transmitter, complete any final assembly steps, and you're ready to take off!

    Exclusive technologies

    This Viper is equipped with Spektrum's exclusive AS3X and SAFE Select technologies. AS3X works in the background to counteract the effects of wind and turbulence, providing a smooth flight experience that feels like a much larger aircraft. The optional SAFE Select function offers pitch and roll limits, as well as automatic self-stabilization that can be switched on and off. This makes this Viper the easiest model you'll ever fly!

    Telemetry-enabled

    The UMX Viper is equipped with a control unit that integrates an ESC and a Spektrum receiver. This provides real-time telemetry data, such as the flight battery voltage, to compatible Spektrum transmitters with AirWare technology (including DX6e and 8e, DX6 G2/G3 and 8 G2, DX9, NX6 to NX20, iX12 to iX20 and others).

    Higher performance

    The factory-installed 30mm EDF propulsion system is equipped with a 4S-compatible outrunner motor. This setup delivers the highest performance ever achieved in a single-motor UMX/Ultra-Micro jet!

    Factory pre-assembled

    The UMX Viper comes ready to fly and fully pre-assembled right out of the box! Simply attach the one-piece wing using the convenient, tool-free connectors, insert a charged battery, bind it to your Spektrum transmitter (minimum 5 channels, DSMX/DSM2) – and you're ready to go!

    Fully ready for use

    The fully molded airframe comes factory-painted in the unique and now iconic design by Aircraft Studio Design. Functional LED lighting enhances the scale details of this model.

    Lightweight construction

    The construction, using composite-reinforced EPS material, results in a lightweight yet robust airframe that can be easily repaired with odorless, foam-compatible CA adhesive, Foam 2 Foam, epoxy resin, or other foam-friendly adhesives. Should any part of the airframe or its components be damaged beyond repair, a comprehensive selection of spare parts is available.

    Chassis options

    You can use the included fixed landing gear with steerable nose wheel to taxi, take off, and land on flat surfaces. Alternatively, you can remove the landing gear for higher speeds and improved performance. The automatic hand launch assist mode also allows for easy hand launches. BatterySold separately

     

    • Experience levelLevel 2
    • remote controlSold separately
    • Degree of completionBind-N-Fly Basic
    • Estimated assembly timeLess than 1 hour
    • chargerSold separately
    • LiPo Compatibility4S
    • materialEPS
    • Minimum Required Radio5+ channel full range
    • Engine typeBrushless
    • Power typeElectrically
    • Product Length18.1" (460 mm)
    • Product WeightWithout Battery: 4.4oz (125g). With Recommended Flight Battery: 6.5oz (185g)
    • Recommended Motor Battery4S 14.8V 450mAh 30+C LiPo with IC2 Connector
    • TechnologyAS3X, SAFE Select
    • Trim Scheme ColorsWhite / Blue
    • Wingspan20.9" (531 mm)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 53175141740

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4.4 ★★★★★
Based on 22 reviews
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Verified Purchase
David Miller
Boise, US
★★★★★ 5
Great quality chair, regardless of price.
Color: Black+white, Size: Pack of 1, Color: Black+white, Size: Pack of 1
Great quality chair, regardless of the price, period. So well packaged that it took almost as long to unwrap as assemble. Assembly was easy (loved the Allen wrench with sturdy handle). I am 6'2" and the fit and height adjustments work well for my height. Comfort is personal, so I like the semi-firmness of the seat. While the chair is constructed of heavy gauge plastic the base is solid metal with enamel finish: I love the look. The arm rests line up perfectly to my computer keyboard. I expect many, many years of service.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
E
Verified Purchase
EJ
Belleville, US
★★★★★ 5
Great Value for a Comfortable Home Office Chair
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
I’ve been using this chair for a couple of days now, and honestly, it’s been a solid upgrade from my old one. I work from home most days, so comfort matters a lot—and this chair delivers better than I expected for the price. The first thing I noticed was the lumbar support. It’s actually adjustable and makes a noticeable difference, especially if you tend to sit for long stretches. My lower back used to get sore after a few hours, but that hasn’t really been an issue since switching to this chair. The mesh back is also a nice touch—it keeps things breathable, which I didn’t think I’d care about until I had it. Assembly was pretty straightforward. Took me maybe 20–25 minutes without any frustration. Everything lined up well, and the instructions were clear enough. In terms of comfort, the seat is firm but not hard. It doesn’t feel like one of those super plush chairs, but I actually prefer that because it feels more supportive over time. The reclining feature is smooth, and I like that you can lean back a bit when you need a break. Overall, I’d say this is a great value for a home office setup. If you want something ergonomic and comfortable without spending a fortune, this chair is definitely worth considering.
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Reviewed in the United States on April 30, 2026
A
Verified Purchase
Amazon Customer
Battle Creek, US
★★★★★ 5
Excellent Office Chair
Color: Black+white, Size: Pack of 1
I just received my TRALT Office Chair. First of all, I was impressed with the packaging of this item. When I opened the box each piece of the chair was wrapped in plastic or bubble wrap. Everything in the box arrived safely and without damage. Secondly, the instructions to assemble the chair were very each to follow. I was impressed with the Allen wrench which had a handle attached to it. This made screwing in the screws very easy. I was able to assemble the chair without any difficulty. Lastly, the look of the chair and the comfort is exceptional. I ordered the black/white chair which looks amazing. The comfort of the chair is really excellent. My back is supported by the lumbar seat and having the armrests being able to go up when not needed is wonderful. The quality of the chair is definitely worth the price.
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Reviewed in the United States on May 9, 2026
J
Verified Purchase
Jennifer3002
Battle Creek, US
★★★★★ 4
a good choice
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
Assembled chair only to find that the lift cylinder was faulty. Would have preferred to be able to just get a replacement cylinder but calling China didn't seem like a viable option. Guessing which one & buying it online would involve paying for a good portion of what the chair cost. Customer service could only offer a replacement or refund. We're disassembling (so much fun?!) to send it back. The chair itself was very comfortable, assembled fairly easily and instructions pretty clear. Again, if we could only have asked the seller for the replacement part......**Update**...Or if the instructions that seemed so clear were clearer!, as we started to disassemble, we decided to see what would happen if the tension knob (see photo) was loosened. IT ALLOWED THE LIFT CYLINDER TO WORK. Not at all what the instructions say. At any rate, we're keeping the chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
J
Verified Purchase
jinju jiang
Bozeman, US
★★★★★ 5
This chair is amazing
Color: Sky Blue, Size: Pack of 1, Color: Sky Blue, Size: Pack of 1
⭐⭐⭐⭐⭐ Absolutely love this chair! It was super easy to assemble—I had it set up in no time with clear instructions and minimal effort. The comfort level is fantastic; the seat cushion is just right and the back support makes it great for longer sitting sessions. The color is beautiful in person—clean, modern, and adds a fresh pop to the room without being overwhelming. I also really like the smooth wheels and sturdy build; it feels stable and well-made. Overall, this is a great combination of style, comfort, and value. Highly recommend!
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Reviewed in the United States on May 4, 2026

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