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The most obvious question when deciding whether to add a minimalist fender to your bike is probably just, why don’t you get a proper set of full-coverage fenders and be done with it? The Win Wings were remarkable. Quiet. Free of movement. Unobtrusive. And most importantly, effective."
We have yet again rewritten the rules of fender design with our new, ultra-lightweight, clip-on performance mudguard – the radical Win Wing. While bikes of old all had a lot more symmetry, a number of modern bikes tweak their stays side-to-side a bit to either maximize tire clearance around the drivetrain or to fit a disc brake caliper into the rear end somewhere tidy.
Ass Saver have produced a great new product in the Ass Saver Win Wing. Great for your gravel bike, easy to attach and won’t mark your seat stays… In reality, the Win Wing fits a lot of bikes that simply won’t fit conventional fenders – no fender mounts required. But the biggest compatibility feature might just be that wide 19-60mm tire width clearance range. That covers almost every road, fixie, all-road, cyclocross, gravel, trekking, and cross-country bike out there.
Compare those as 3x as heavy as the two sizes of regular Ass Savers 19/26g, which offer less protection. Boulder, and Colorado more broadly, is heralded as getting 300 days of sunshine a year (there’s a reason I have chosen to live here) and, even in the summer “monsoon” season, the routine afternoon showers are short-lived, and (of late) less substantial all around. As such, I’ve never felt the need to outfit any of my bikes with permanent fenders, though they do lend a certain utilitarian panache to a classic skinny-tubed steel steed, imo. Sure, it would be nice to have on my commuter but in my current location it’s far from necessary and I recognize that half of that desire would be motivated purely by the aesthetic glint of hammered alloy. This is not really a fender for everyone. Some don’t like the look of this gray recycled plastic loop hanging over your rear wheel. Some really need the total protection of proper full-coverage fenders. And some – like our own Editor-in-Chief – would rather have a wet butt than nasty muddy water bottles. And those are all valid concerns. Ass Savers offers two versions of the Win Wing: one for road bikes with tires up to 38mm and one for larger dirt and gravel tires up to 60mm (2.35″). The one that’s tested here is the gravel version for larger tires. I tried it on two bikes, my Tumbleweed Stargazer with 29 x 2.35” tires and another test bike with 2.4s—the gray one shown in many of these photos. Neil also tested his with 27.5 x 2.6″ tires, as you’ll learn in the video at the bottom of the post.Effectively, the Win Wing stops all mud & water from about the seat clamp and higher on most bikes. The concept of the Win Wing is tangential protection. Putting the fender just a few millimeters above the rear wheel catches all of those tangential lines of road spray, right at the tire where they originate. The straps are made from ultra-tough TPU and should be pulled as tight as you can comfortably do by hand. If you experience that the mudguard is not stable, try to use the next hole in the strap.
The elastic in the attachment straps makes it easy to get a good, secure fit (Image credit: James Watkins) PerformanceThe distance between the wishbone and the tire should be between 5-10 mm. These three holes allow you to change the angle of your mudguard. First test of the Ass Savers Win Wing 2 These two gentlemen could not be any more accommodating if they tried, quality service that is a rare find in today’s crazy world, I can not recommend this company enough! The Win Wing Road fits practically any skinny tire bike, protecting the rider in even the worst conditions. Ideal for winter training or if you want to add some comfort to your puristic urban ride. The Win Wing won't rattle or jam, and at less than 75g , you won't even notice it's there. It may be minimalist, but coverage is impressive if you prioritise a dry rear-end. Russell Burton / Our Media
Two key selling points for the Win Wing fenders are that they fit a wide range of tires ( and bikes), and they are lightweight. While it might not be the ideal, full-coverage fender solution for daily die-hard commuters, if you plan on pedaling your gravel bike or ATB in wet and muddy conditions, the Win Wing is a no-brainer. It has a negligible weight, it’s inexpensive, it’s made using mostly recycled materials with replaceable parts, it’s durable, and it does what it’s supposed to do.
Win Wing Tire Clearance
Just as important as a tight fit is the angle of the blade. There are three different settings to compensate for the angle of your seat stays. Choose the one that allow a horizontal or a tail-up position. Avoid a tail-down angle as this will reduce the efficiency of the fender. Plus, while many conventional fenders rattle over rough surfaces or any off-road, the Win Wing stays quiet and doesn’t shake loose no matter where you ride it. Even though it seems to sit perilously close to the rear tire, we haven’t had any issue with it jamming even on especially muddy rides. Thanks to its sophisticated simplicity and careful choice of materials, the Win-Wing is virtually indestructible. With only four components (competitors use as much as 40 components) it's not that much that can go wrong. The glassfiber reinforced wishbone holder is both flexible and tough and the rubber straps are virtually indestructible. It’s so simple that it makes you wonder why it didn’t already exist. And, at the same time, its clever and minimal design leads you to admire the thought process and engineering that went into it." Have a look at this BMC URS gravel bike and you can see the seatpost stayed totally clean (or at least as clean as it was before I mounted the fender). But everything below that still gets wet & muddy.
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