The straightforward, strap-on Ass Savers Win Wing MTB now delivers wider fat-tire protection to tame the rain, mud, and even mud spray off your mountain bikes’ rear tires. Not solely does it preserve your bottom cleaner, it additionally protects your dropper put up seals, which means easy saddle drops for longer with much less upkeep. And once more, it’s each gentle and reasonably priced.
We’ve been testing the brand new Win Wing MTB out on the path for the most effective a part of a yr. And whereas I don’t use it for each mountain bike experience, every time its particularly moist or muddy out, I all the time attain to strap one on no matter bike I’m using that day…
Ass Savers Win Wing MTB strap-on rear mountain bike fender
Since Ass Savers first launched their gravel Win Wing fender, I used to be already strapping it onto XC bikes to maintain my butt dry and my dropper put up stanchions & seals protected against mud flung off the rear tire. Now there’s lastly a much bigger, wider Ass Savers Win Wing MTB, made only for mountain bikes. And now it’s going to clear as much as a 29 x 3″ tire.
Initially, Ass Savers began improvement of the broader MTB model to focus on journey riders and bikepackers that wished to maintain themselves and their gear from getting sprayed and lined in mud. Keep in mind, loads of bikepacking saddle packs are waterproof. But it surely’s nonetheless a ache to get out and in with all of your gear, from a muddy bag.


So finally, they noticed what number of common mountain bikers additionally would admire a easy, light-weight, sturdy, and low-cost rear wheel fender. To maintain the rider dry and protect dropper put up perform. Who providers their dropper put up like they’re imagined to, anyway!
So the broader Ass Savers Win Wing MTB challenge grew to become strap-on rear fender for all mountain bikers. And that meant it wanted extra adjustability
What’s new?


In comparison with the gravel model, which may already formally clear as much as a 700x60mm (29 x 2.3″) tire, the brand new Win Wing MTB has clearance for as much as a 29 x 3″ mountain bike tire. Plus, it has a for much longer and wider fender blade for added protection. The brand new blade is ~42cm lengthy x 11.5cm large throughout its midsection (vs. 39x10cm for the gravel model) to wrap even the most important MTB tires.


As a result of the fender blade is longer (and thus slightly heavier) and since it’s going to see extra tough terrain off-road use, Ass Savers additionally made the brand new Win Wing MTB’s wishbone mountain bracket thicker and stronger.


Then, since there’s extra variability in mountain bike seatstay angles from hardtails to full-suspension bikes, the MTB fender’s wishbone legs’ size is adjustable with 3 heavy-duty snap tabs to place the bracket straight excessive of your tire for greatest mud safety. And now you can regulate the blade angle itself +/-15° for a pleasant & practical flat set up.
How does it work?


Ass Savers designed the brand new Win Wing MTB’s Tangential Protection to sit down simply above your tire to catch most rear wheel spray the place it originates on the tire.
works greatest when the wishbone is situated on the prime of the tire, with simply 1cm of clearance between the tire and the fender bracket.
regulate the legs of the wishbone to align its prime straight above the rear axle, then…
ensure to fold the flat fender blade alongside all of the pre-scored marks to get the right curved form, and lastly…
regulate the fender blade angle to be horizontal or tipped barely upwards for max ass saving efficiency
And don’t fear about getting it caught within the rear wheel while you decide up path particles or a bunch of sticky mud. The anti-jam wishbone structure flexes ahead, away from the tire if one thing sticks in your rear wheel. After which, usually, it’ll simply spring again into place.
Tech particulars


easy-to-install & quick-to-remove mountain bike rear fender
suits 26-29″ wheels and tires as much as 3″ large
adjustable-length glass fiber-reinforced black polyamide (nylon) wishbone bracket
50% recycled 0.9mm thick polypropylene black fender blade with varied printed designs
+/-15° blade angle adjustment
black thermoplastic polyurethane (TPU) dual-duty toes & attachment straps (contains body safety stickers)
suits slender metal seatstays as much as boxy carbon or alloy stays
100% made-in-Sweden in ISO14001 sustainability-certified factories
114g complete claimed weight (mine really weighs 116g)


Evaluate: Keep clear(er) with Ass Savers’ Win Wing MTB fender


I’ve been testing the Win Wing MTB since final spring, for year-round path using. And it does a fantastic job of retaining you cleaner than and not using a fender. It’s no full-coverage fender, for positive. However, even because the backs of my legs and many of the body nonetheless get sprayed with water, mud & path muck… the seat of my pants, my saddle, and my dropper posts keep MUCH cleaner!
(Even when put in a bit farther from the tire than it ought to be.)


I don’t have it fitted for each experience, however I’ve mounted these items to nearly a dozen totally different mountain bikes & eMTBs previously yr. And it’s completely my go-to for any mountain bike experience I count on to be wet, moist, or particularly muddy.


I’ve usually been capable of preserve it within the single shortest leg setting and simply shortly regulate the blade angle for just about all full-suspension bikes – lower than 30-second swap from bike to bike. Or for swapping to a hardtail, I’ve made the legs one place longer – a extra concerned change that takes a pair minutes, which I do with a tire lever due to the tight, safe snap-together match of the legs.
Driving Impressions and Takeaways


I’ve ridden this factor on some actually tough and steep enduro terrain. And I skilled no issues with its safe match or sturdiness. My closest name was catching it on my butt on an exceptionally steep descent once I slid far again over the rear wheel. However even then, it caught the seat of my pants, pulled out of the best way with out proscribing my motion, and snapped safely again into place once I received again over the bike.


The fender does transfer up and down extra on the mountain bike than it did on a gravel bike, unsurprisingly using with it over correct drop and thru rock gardens. However the greatest influence I’ve encountered is small tire rub marks contained in the fender, that occur with out even noticing it on the bike.


Whereas some mountain bike riders won’t love the look of getting a rear fender, I don’t thoughts it.
If in case you have the all-black one, frankly, it form of disappears as soon as in your bike.
It’s my feeling {that a} small fork arch fender is an absolute minimal necessity, irrespective of the place you experience. And in the event you experience in wetter circumstances, there are many larger entrance fender choices to select from. However a rear fender is simply as helpful. But, choices stay restricted. I’ve tried loads. They usually both lack actual safety (like Ass Saver’s personal unique Massive clip-on saddle fender) or are overly difficult, cumbersome, and heavy.


This Ass Savers Win Wing MTB is simply 116g. It’s simple to placed on & take off, but stays put over fairly difficult terrain. And it really blocks loads of mud & spray earlier than it will get to you or your dropper.
Ass Savers Win Wing MTB – Pricing, choices & availability


The Win Wing MTB is out there now straight from Ass Savers with free world transport, and in-store in seller bike retailers worldwide. The brand new strap-on rear mountain bike mud guard sells for 33€ in all-black Stealth. Or for 1€ extra you may decide from a pair extra fashionable choices just like the beige Detour dots or the colourful purple & pink ROKS design that I’ve fitted to my mountain bikes now.
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