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    Otso Cycles Voytek

    A fat bike for all seasons

    Voytek changes the fat bike game. It is fast, lightweight, agile, and can handle even the sharpest turns of your local singletrack with ease. Think of it as a mountain bike that can fit fat tires with adjustable geometry. We paired a narrow pedal stance—aka Q factor—with aggressive XC race geometry to build a fat bike that can intuitively handle snowy trails like your mountain bike can handle summer singletrack without sacrificing ride quality. When the weather turns and the snow turns to dirt, swap out the 26" fat wheelset for a 29" MTB wheelset to keep the party going all year.

    bUILD YOUR VOYTEK NOW

    Otso bikes are available to purchase here on our website or with our network of Otso dealers. Our Custom Bike Configurator allows you to select most component options on your bike, including drivetrain, wheelset, tires, handlebars, seatpost, anodized accent color option, and more. Voytek is also available as a frameset if you already have parts ready to go at home. We’re happy to talk through options to help you build the Voytek that is perfect for you and your riding style.

    Fat Bike Voytek Otso Winter snow riding, Pistachio Navy color side view Jumbo Jim tires Fat Bike Voytek Otso Winter snow riding, Pistachio Navy color side view Jumbo Jim tiresOn Sale
    $ 2,396.25 $ 3,195.00

    Voytek Frankset Voytek FranksetOn Sale
    $ 1,871.25 $ 2,495.00

    Note: Images may not show actual build kit content. Pricing and specifications subject to change without notice. Comparable components may be substituted when necessary to fulfill bike shipments.

    Otso has a small (but growing!) network of bike shops that sell our bikes. Click the button to the right to see a map of all Otso dealers. If there is not one in your area, you can still build and order any of our bikes right here on our website. Give us a shout at sales@otsocycles.com with any questions.  

    THE Q-FACTOR IS THE KEY

    The Voytek has the narrowest Q-factor of any fat bike in the world at 183mm. With a narrow Q-factor, your weight is closer to the centerline of the bike. This is especially important when cornering because it allows for tight, responsive control—the wider Q-factor found on most fat bikes spreads out your pedals and creates a floppy, unstable feel. The Voytek frame was designed around an 83mm bottom bracket, where most fat bikes have a bottom bracket north of the 100-110mm range. With the Voytek, you don’t need to compromise agile handling to ride up to 4.6” tires.

    "The Voytek is not your average fat-tire machine; it’s a bike designed to be built for many different intended uses. The Voytek can be trans-formed into a plus-sized hardtail with a suspension fork and a dropper post, or it can be ridden as a fat bike with the narrowest Q-factor on the market."

    Mountain Bike Action Magazine

    "My first impressions of the Voytek are very, very positive. Not only have they designed in some features that should offer big advantages for some riders (like the narrow Q-factor) but they have also developed a very well thought out design with high quality construction."

    Fat-bike.com

    "Wide Q factor is something that fat bikers have had to live with as tires started to get wider and wider, but now that I’ve had the taste of something narrower that still fits relatively wide tires, I’m not sure I can go back."

    Bike Rumor

    "If a 4-season rider asked me what single bike to buy for year round enjoyment, the Voytek would be top of my list."

    Gear Institute

    ONE BIKE,
    THREE WHEELBASE LENGTHS

    Our Tuning Chip rear dropout is at the heart of the versatile Voytek. With a quick change in positions, the wheelbase of the Voytek can be extended or shortened by up to 20mm, which also changes bottom bracket height by up to 4mm and head tube angle by +/- 0.5º. In the forward position, you’ve got an aggressive, responsive Voytek for your next race. In the rear position, you’ve got that same intuitive handling but with added stability to make it easier to ride in deep snow or adverse terrain. In the middle, well, that’s the best of both worlds.

    "I feel pretty safe in saying that yes, this joyful warrior is for you. Mountain biking? It’s a riot. Bikepacking? You’re good to go. Casual fat biking? It’ll be the easiest bike to toss in your buddy’s truck. Fat bike racing? Considering how incredibly stiff — not to mention light — the frame is, racing might be this bike’s calling."

    Adventure Cycling

    "Otso blurs the line between plus-size and fat. It’s a carbon-fiber hardtail built for riders who need high performance and good value, transforming between two setups: mountain bike and fat bike. It does so with no compromise and has the narrowest Q-factor of any production fat bike."

    GearJunkie

    "It’s the bike I’ve been wanting for years because, at last, your year-round rig can double as a winter fattie without compromise in either format."

    Outside Magazine

    "It’s smartly designed and its details well thought-out, it’s reasonably priced, looks good, rides and handles well, and should last for ages. What’s not to like?"

    CyclingTips

    PLUS OR FAT? FAT OR PLUS?

    We’re internally divided here as to whether the Voytek is a plus bike that can handle fat tires or if the Voytek is a fat bike that has the handling worthy of a plus bike. When the trails are packed with snow, we’re riding 4” tires. When spring comes and the trails turn to dirt, we swap out tires and ride 29" plus until winter returns. The versatility of the Voytek blurs the lines of plus and fat, keeping the party going all year long.

    WHEELIES GALORE!

    The Voytek can run a wide range of wheel sizes: 27.5" or 29" plus MTB tires to 26" x 4.6" fat tires.

    AND SO MUCH MORE ...

    MODERN GEOMETRY

    Voytek's longer top tube, short chainstays – the shortest in the world for a fat bike – and slightly slacker head tube angle mean more speed and more fun.

    SUSPENSION CORRECT

    Voytek's suspension-corrected geometry is compatible with an Otso™ carbon rigid fork or up to 120 mm travel suspension fork.

    COMPETITOR TESTED, ISO APPROVED

    Voytek's patent-pending frame design exceeds all ISO frame safety standards and has been proven over thousands of miles of test riding, including the legendary Iditarod Invitational and Arrowhead 135 competitions.

    DROPPER COMPATIBLE

    The EPS molded carbon frame of the Voytek was designed to accept internally routed dropper seat posts.

    TECHNICAL DETAILS

    Compatible fenders

    PDW - Mud Shovel

     

    compatible racks

    Axiom - Fatliner Fat Bike Rear Rack (requires Tuning Chip with threaded rack mounts)

    Topeak - Uni Super Tourist Fat Rear Rack (requires Tuning Chip with threaded rack mounts)

    Blackburn - Outpost Fat Rear Rack (requires Tuning Chip with threaded rack mounts)

    Old Man Mountain - Divide Front Rack axle mounted with Fit Kit SET715

    Old Man Mountain - Divide Rear Rack axle mounted with custom Fit Kit SET808 with 12mm flat spacer

     

    Frame Bag Dimensions

    (click on links to view PDF drawings)

    Small

    Medium

    Large

    X-Large