Stan's NoTubes has introduced two new lines of tubeless aluminum mountain bike wheels. The MK3 and S1 lines feature the iconic Crest, Arch, and Flow names, with the S1 also adding three new plus-sized options.

Video: Stan's NoTubes MK3 and S1 Wheelsets

Stan's NoTubes creative director Chris Currie provides details on the MK3 and S1 wheelsets.

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Stan's NoTubes has expanded its well-regarded line of tubeless ready aluminum wheelsets with the addition of the premium MK3 and a more affordable S1.

The MK3 carries over the Crest, Arch, and Flow naming, but each wheel is wider. The Crest has been pushed to 23mm internal rim width, yet it's now 16 grams lighter, while also gaining strength. Following suit, the Arch is now 26mm internal, which is half a millimeter wider than the old Flow EX.

Meanwhile, the Flow MK3 now measures 29mm internal width, making it suitable for tires up to 2.8". The MK3 line also features custom options, including decal colors, three spoke options, multiple nipple colors and materials, and more hub options than ever before, making for a fully customizable wheel.

The new S1 series also uses the Crest, Arch, and Flow naming, but in a more affordable package, starting at $455. Three are also three new plus additions, the Sentry (32mm width, suitable for 2.5-3.0" tires), the Baron (35mm width, suitable for tires up to 2.8-3.2"), and the Major (38mm width, ideal for tires 3.0-3.5").

Gallery: Stan's NoTubes Crest MK3, Arch MK3, Flow S1, Major S1 and More

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