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Stan's NoTubes Sentry S1 27.5in Boost Wheel

$201.00 - $278.00

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    • Black, Front, 15x110
    • Black, Rear, 12x148, Shimano/SRAM
    • Black, Rear, 12x148, SRAM XD

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    Keeping up with the times.

    It's no secret the industry is ever-evolving, pushing wheel and tire standards wider in the relentless quest for the perfect balance of rolling speed, traction, and bump compliance on the trail. Not to be late to the party, Stan's No Tubes creates the Sentry S1 27.5in Boost Wheel for wide volume trail tires and plus-sized behemoths currently sweeping the mountain bike world. Built with a stout internal width of 32 millimeters, the Sentry S1 caters to mountain bike tires in the range of 2.5 to 3.0 inches. Stan's calls this pairing of rim widths and tire sizes "WideRight," making for a secure and solid riding platform without deforming wider tires into an overly bulbous shape.

    Not only is the Sentry S1 intended for the higher volume rubber prevalent on modern trail bikes, but it's also designed with their proprietary Bead Socket Technology (BST), which is a fancy way of saying the rim attaches to the bead of the tire, instead of merely pushing it down farther into the sidewall. Because of this BST, you'll find it's increasingly air-tight and free of burping in tubeless set-up. Just as importantly, this technology decreases the tire's vulnerability to slashes by running it in a truer, rounder shape without pushing the sidewall outwards where it's susceptible to damage.

    This particular Sentry S1 Wheel works for both 27.5-inch and 27.5+ trail bikes across a wide variety of trail ecosystems, from the flowing forest loops of Appalachia to the high-elevation mesas of Utah. BOOST spacing creates a stiffer, stronger wheel, thanks in part to the better spoke bracing angle afforded by its wider hub spacing. 6061 alloy construction maintains high levels of strength without taking a significant hit to your wallet like fancier carbon hoops. They're laced to Stan's Neo hubs equipped with a reliable 6-pawl system with a 10-degree engagement, which is more responsive than many wheels in this price category.

    • Solid support for wide volume and plus-sized tires
    • Compatible on both 27.5-inch and 27.5+ trail bikes
    • 32mm internal width is ideal for 2.5 to 3-inch tires
    • BOOST hub spacing creates a stiffer, stronger wheel
    • 6061 alloy construction optimizes strength at a low cost
    • Bead Socket Tech connects to tire's bead for better seal
    • Tubeless-ready for gaining bump compliance and traction
    • Neo hubs with 6-pawl system for reliability and responsive
    • Item #SNT003Y

    Rim Material
    6061 aluminum
    Wheel Size
    Tire Type
    tubeless, clincher
    Rim Depth
    Rim Width
    [internal] 32mm, [external] 35.7mm
    Brake Compatibility
    6-bolt disc
    Stans Neo with Durasync (10-degree engagement)
    Front Axle
    15 x 110mm BOOST
    Rear Axle
    12 x 148mm BOOST
    Sapim Race Black (2.0/1.8/2.0mm)
    Spoke Nipple
    Secure Lock Brass Silver
    Spoke Count
    Max Rider Weight
    Claimed Weight
    [wheelset] 2034g, [per rim] 548g
    Recommended Use
    Manufacturer Warranty
    2 years

    Tech Specs

    California Proposition 65


    This product can expose you to chemicals including Lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to

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