QUICK HITS
• 160mm Dual Link Suspension
• Mixed Wheels (29” F / 27.5” R)
• DJI Avinox Drive Unit
• 800Wh Battery
WE DIG
WE DON’T
ABOUT THE UNNO MITH
What is the UNNO Mith designed to be?
UNNO aimed for the Mith to be the full-power eMTB that would close the gap between a mountain bike and eBike. With a svelte carbon fiber frame housing the DJI Avinox drive unit and an 800Wh battery, this 160mm travel mixed-wheel enduro electric mountain bike means business.
What eBike Drive System Does The UNNO Mith Use?
The UNNO Mith was the only bike in our test this year to utilize the hottest eBike drive unit on the market just now: the DJI Avinox. With a whopping 1000W Peak Power and 120Nm torque from this 5.55lbs (2.52kg) motor, the power-to-weight ratio is exceptional. The slim form factor aids in maintaining an impressively sleek aesthetic that’s previously only been seen on SL eBikes.
Powering the DJI Avinox system is an 800Wh fixed internal battery, which tips the scales at 8.25lbs (3.74kg). There’s currently no word on a range extender being made available. However, there’s fast-charging possibilities with the 508W fast charger, which can replenish the battery fully in 2h 25m.
The Avinox system features an impressive 2-inch OLED touch-screen display, nestled neatly within the UNNO’s top tube. On the handlebars, each side features a small wireless remote, allowing for the drive unit modes and screen display to be toggled.
The Avinox app allows riders to connect to the system to perform a variety of tasks. There’s a security and alarm system; real-time bike location function, and the ability to customize the different drive modes with impressive control.
What are the details of the UNNO Mith frame?
For the new Mith, UNNO addressed some of the complaints from their previous generation and worked on making a lighter and sleeker product than ever to accompany the move to the DJI Avinox drive unit. As a result, the overall bike weight is as low as an impressive 46.9lbs (21.3kg) with gravity-worthy components.
The UNNO Mith continues to be a mullet-specific bike, with no option to fit a 29” rear wheel. The frame has clearance to accommodate up to a 2.6” wide tire on a 27.5” wheel. UNNO worked to improve seatpost insertions, and now specs a 180mm on the S2 size tested. The 250mm insertion depth may allow a 210mm dropper to fit for our longer-legged testers, but we have not yet tested it. The front triangle has space to fit a 650ml bottle in size S1, and 750ml in S2 and S3.
The Mith frame we received featured a prototype suspension link, which featured a flip chip in the lower shock mount to give a high and low geometry setting. This differs from the fixed lower shock mount found in the production linkage.
UNNO equipped the Mith’s suspension pivots with Enduro MAX bearings, which are backed up with extra dust seals in the pivots. These bearings are given a lifetime warranty. Also protecting the pivots and the shock are mudguards on the rear triangle. Around the lower link and chainring area, generously ribbed protection is in place to protect from chain slap.
How much suspension travel does the UNNO Mith have, and with what linkage?
The UNNO Mith features a dual-link suspension design that delivers 160mm rear wheel travel. Up front, there’s a 170mm fork.
The suspension features a notable leverage ratio curve, with a highly progressive initial 30% of the travel followed by a less progressive remainder. This is done in a bid to offer early-stroke sensitivity without removing the support deeper in the travel. The production lower link will have roughly 75% anti squat at sag, which drops off deep into the travel.
What are the stand-out geometry figures on the UNNO Mith?
Three sizes are available for the UNNO Mith: S1 to S3, with Reach figures from 430mm to 490mm. The geometry figures elsewhere are aggressive but not overly extreme, with the fairly long 450mm chainstay giving a notable and appreciated level of balance. With the 155mm crank spec, the 30mm bb drop below the front wheel is more manageable.
What UNNO Mith build specs are offered?
UNNO offers the Mith in a choice of two different build specs: the top-spec Pro or slightly cheaper Race. Both of these feature quality and aggressive components throughout, but the Race drops to a Float X rear shock; alloy Newmen wheelset, and cheaper drivetrain. US pricing is yet to be confirmed at the time of writing, but the euro prices are €11,895 and €9,895 respectively.
The build tested was most similar to the Pro, though we had a choice of a faulty MY26 Fox Float X2 Performance Elite or MY25 Float X2 Kashima shocks. The front tire spec was already Schwalbe’s excellent Radial Gravity Magic Mary, and we switched the rear tire to the Albert Radial Gravity to keep the performance consistent with the other bikes in the test.
When it hit the scales, our S2 UNNO Mith Pro(ish) build came in at 47lbs (21.3kg) – the lightest eMTB in this year’s group test.
Hit the specs list at the bottom of the article to see all of the parts specified on our test rig.
THE DIRT
Getting the UNNO Mith Set Up | As mentioned in the introduction, our testing time on board the UNNO Mith was not smooth or extensive. We had a strong desire to include this progressive eMTB in our shootout this year, and so accepted a bike in to test that we knew may have been compromised. In fact, this particular bike was never intended to be ridden, only built as a display piece for Sea Otter Classic.
In the end, it took a few of our crew multiple hours to get the eBike system to function correctly due to a variety of issues with cabling and sensors, and we still suffered from issues as we began testing it. We received this bike two days into our 12-day stint at Zion Mountain Ranch, and spent our limited spare time on the third, fourth and fifth days trying to get it to work. As such, our trail time was limited, and our impressions should be taken as a first ride review only, with a large asterisk to signify the issues and prototype nature.
Additionally, the aforementioned faulty Fox Float X2 Performance Elite shock hampered our initial test time on this eMTB. We were aware of the non-production linkage, and as such had assumed that the stiff off-the-top feel that the Mith was providing was a factor of the higher Anti Squat values of the prototype linkage. With this faulty shock, we were unable to find a setup that balanced small bump absorption and deeper stroke support. Eventually we replaced this shock with the working MY25 unit, and things instantly improved, even with the prototype linkage and firmer compression tune than intended.
Ultimately, we can’t comment with any certainty on how easy the UNNO Mith would be to set up. With the leverage ratio curve having a pronounced shape, it will be essential to ensure the SAG is in their 30-35% window to avoid any strange characteristics, though. We’re looking forward to getting on a fully working, production-spec UNNO Mith to report back in the longer term.
How Did The DJI Avinox eBike System Perform?
Once we had ironed out the issues on this show bike, we were able to unleash the brutal power of the Avinox drive unit. It’s incredible how much power this relatively light and compact drive unit can deliver, and with such little noise in doing so. Even with the updates to the Bosch drive unit and the new Specialized unit getting a significant power boost, the Avinox will still leave these units in the dust, provided you can maintain traction and control.
Control was a hot topic in our 2025 eMTB Shootout, and as standard the higher power modes of the DJI Avinox unit were a little unwieldy. The Avinox app let us tune the power modes to be easier to control, which we’d highly recommend for riders looking to clean the most technical climbs.
The battery drained notably fast when the DJI Avinox was pushed to its limits, but this was to be expected. With the ability to output 1000W, the 800Wh battery can only take you so far. We are under the impression that efficiency is not a problem on the Avinox system, but the encouragement to go extra-fast and burn the battery is strong.
Initially, we received the UNNO Mith with a used speed sensor that proved to be faulty. We replaced this with a new one, but this also failed following a particularly wet ride. We had heard rumors of problems with water ingress in the first-gen speed sensors, an issue we believe DJI has remedied for production bikes.
How Did The UNNO Mith Climb?
With the majority of our short testing window on the UNNO Mith conducted with the faulty shock, our impressions were of a harsh off-the-top feeling. This was countered by an exceptionally efficient feeling when the terrain was smooth.
With the speeds that the Mith was able to climb at, it would take a particularly supple initial stroke and a comfortable saddle in order to take enough sting out of the trail to call the bike comfortable. However, the promised supple off-the-top suspension combined with fairly modest anti squat should yield a relatively comfortable ride. Of course, we’re unable to confirm this currently, but will be sure to assess this in the long-term review.
The geometry yielded a reasonable balance, with the relatively long rear end helping to keep enough weight on the front wheel. That said, the head angle is fairly slack, so it takes a little wider ark to turn than the likes of the Trek Rail+. Pedal clearance was ample thanks to the 155mm crank spec, and we don’t foresee too many issues with clearance on the production linkage, especially with a 30% sag setting.
How Was The UNNO Mith On The Descents?
Ultimately, this frustrating test did not allow us to fully realize the performance of the UNNO Mith. There were moments of absolute brilliance in the right terrain, but also some challenges presented by the faulty shock and prototype linkage combination.
For Robert, the heaviest tester in our core crew at 220lbs and with a preference for support over ultimate comfort, the issues were less pronounced. This led him to be able to ride the Zion Mountain Ranch test tracks – which feature short rough sections with smoother dirt in between – with more aggression than any other bike on test. The balance between the wheels was exceptional, as was the low weight. He was able to hit gaps and take lines that would typically be reserved only for normal mountain bikes. So enjoyable was his time on the Mith, that he even quoted that it was the “best two-wheel machine he’d ridden”. High praises for a faulty bike.
For the other testers, the struggle for comfort reduced the enjoyment and made it difficult to discern the potential strengths. It was a frustrating test, but when it was working it suggested there may be something special going on.
Finish And Value On The UNNO Mith
Ignoring our issues with the bike, the UNNO Mith was finished well. The integration is exceptional, though the clearance around the cables of the drive unit is extremely tight as a result. Of course, you should not need to worry about this if everything is working okay, as you would expect from a new production bike.
The Mith ran quietly for the most part, however the prototype linkage allowed the chain to foul on the guard on the bottom of the lower link in our preferred position, making some serious “moto” noises. We can safely assume this will not occur on the production bike.
Overall, this UNNO was a stunning bike in the flesh. The €12k price tag is in-line with the other top-spec bikes, so while it may not scream “great value”, it’s about right for a boutique premium eMTB.
The Wolf’s Last Word
Though we tried hard to solve the issues, ultimately the test was concluded with many question marks still present as to the performance of the UNNO Mith. It had moments of brilliance where we saw the potential in this eBike, but these were somewhat muffled by the immense frustration with the issues that we faced.
Of course, these were not directly a fault of UNNO, which is why we’ve kept hold of this eMTB to continue testing beyond the shootout with a production linkage and working shock. Stay tuned for that, because for now we simply can’t say how good this electric mountain bike performs.
Price: €9,999 (Race) – €11,999 (Pro)
Website: Unno.com
About The Pack
During the production of our 2025 eMTB Shootout, we had the Ari Timp Peak 2.0 tested under 8 different riders and compared to the other 11 bikes. The Loam Wolf crew spans heights from 5’10” to 6’2” (177cm to 189cm), and weights from 160lbs to 220lbs. For this year’s test, we also included one of our supporting members, Leonard Johnston from Indiana. His “real world eMTBer” insight was invaluable to us as we evaluated the performance of each of these eBikes.
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